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Castelli L, Galasso L, Mulè A, Ciorciari A, Esposito F, Roveda E, Montaruli A. Physical activity and morningness: A helpful combination in improving the sleep quality of active Italian university students. Chronobiol Int 2023; 40:1028-1038. [PMID: 37525628 DOI: 10.1080/07420528.2023.2241906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 07/20/2023] [Accepted: 07/20/2023] [Indexed: 08/02/2023]
Abstract
University students are commonly described as having worsened sleep quality, especially when inactive and Evening-type (E-type) subjects. This study aimed to examine the interactions between physical activity and chronotype on sleep quality among a sample of active Sports Science university students. In November 2019, 433 participants (mean age: 19.7 ± 1.56 years; 70% males) completed the Pittsburgh Sleep Quality Index, the Godin-Shepard Leisure-Time Physical Activity Questionnaire (tertiles categorisation), and the Morningness-Eveningness Questionnaire. Females and E-type slept significantly worse than males and Neither-(N-types) and Morning-types (M-types), respectively. However, there were no significant differences in sleep quality based on physical activity levels. The three-way ANOVA revealed that sleep quality in N- and E-types appeared to be independent of physical activity, whereas M-types showed an improvement in sleep classification with increased physical activity. Moderation analysis indicated that physical activity significantly moderated the relationship between chronotypes and sleep quality. Specifically, M-types demonstrated a more pronounced improvement in sleep quality with increasing physical activity compared to the other chronotypes. In conclusion, M-type university students derived the greatest benefits from physical activity in improving sleep quality. Conversely, physical activity seemed to have a limited impact on sleep quality among active E-type university students.
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Affiliation(s)
- Lucia Castelli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Letizia Galasso
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Antonino Mulè
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Andrea Ciorciari
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Fabio Esposito
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- I.R.C.C.S. Ospedale Galeazzi-Sant'ambrogio, Milan, Italy
| | - Eliana Roveda
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- I.R.C.C.S. Ospedale Galeazzi-Sant'ambrogio, Milan, Italy
| | - Angela Montaruli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
- I.R.C.C.S. Ospedale Galeazzi-Sant'ambrogio, Milan, Italy
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Fabbri M. Mindfulness, Subjective Cognitive Functioning, Sleep Timing and Time Expansion during COVID-19 Lockdown: A Longitudinal Study in Italy. Clocks Sleep 2023; 5:313-332. [PMID: 37366659 DOI: 10.3390/clockssleep5020024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/08/2023] [Accepted: 05/15/2023] [Indexed: 06/28/2023] Open
Abstract
During the COVID-19 lockdown, a distortion of time passage has been widely reported in association with a change in daily rhythm. However, several variables related to these changes have not been considered. The purpose of the present study was to assess the changes in dispositional mindfulness, time experience, sleep timing and subjective memory functioning. A longitudinal study was conducted on 39 Italian adults (53.85% males; 35.03 ± 14.02 years) assessing mindfulness, ad hoc questions of sleep habits during workdays and free days, chronotypes, subjective time experience, and memory functioning before (December 2019-March 2020) and during (April 2020-May 2020) the first Italian COVID-19 lockdown. Participants reported delayed sleep timing, a slowdown in the perception of the present time, a decrease of time pressure, and an increase in the feeling of time expansion/boredom. In addition to correlations between mindfulness, memory functioning, and subjective sleep duration during workdays, a mediation model showed that changes in the dispositional mindfulness determined a delay of bedtime during workdays through the mediation effect of increased feeling of time expansion/boredom. This finding highlighted the role of mindfulness in reducing the feeling of time expansion/boredom for regulating the sleep timing. The theoretical and practical implications of the findings are discussed.
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Affiliation(s)
- Marco Fabbri
- Department of Psychology, University of Campania "Luigi Vanvitelli", 81100 Caserta, CE, Italy
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Tonetti L, Andreose A, Bacaro V, Giovagnoli S, Grimaldi M, Natale V, Crocetti E. External validity of the reduced Morningness-Eveningness Questionnaire for Children and Adolescents: an actigraphic study. J Sleep Res 2023:e13948. [PMID: 37225252 DOI: 10.1111/jsr.13948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/21/2023] [Accepted: 05/08/2023] [Indexed: 05/26/2023]
Abstract
The aim of this study was to examine the external validity of the reduced Morningness-Eveningness Questionnaires for Children and Adolescents, using circadian motor activity, assessed through actigraphy, as an external criterion. Overall, 458 participants (269 females), with a mean (standard deviation) age of 15.75 (1.16) years, took part in this study. Each adolescent was requested to wear the actigraph Micro Motionlogger Watch actigraph (Ambulatory Monitoring, Inc., Ardlsey, NY, USA) around the non-dominant wrist for 1 week. At the end of the actigraphic recording, participants completed the reduced Morningness-Eveningness Questionnaires for Children and Adolescents. We extracted the motor activity counts, minute-by-minute over the 24 h, to depict the 24-h motor activity pattern, and we adopted the statistical framework of functional linear modelling to examine its changes according to chronotype. According to the reduced Morningness-Eveningness Questionnaires for Children and Adolescents cut-off scores, 13.97% of participants (n = 64) belonged to the evening-types category, 9.39% (n = 43) to morning-types, while the remaining (76.64%, n = 351) to the intermediate-types category. Evening types moved significantly more than the intermediate and morning types from around 10:00 p.m. to 2:00 a.m., while the opposite pattern of results was observed around 4:00 a.m. The results highlighted a significant difference in the 24-h motor activity pattern between chronotypes, in line with the expectations based on their well-known behaviour. Therefore, this study shows that the external validity of the reduced Morningness-Eveningness Questionnaire for Children and Adolescents, established by considering motor activity (recorded through actigraphy) as an external criterion, is satisfactory.
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Affiliation(s)
- Lorenzo Tonetti
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
| | - Alice Andreose
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
| | - Valeria Bacaro
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
| | - Sara Giovagnoli
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
| | - Martina Grimaldi
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
| | - Vincenzo Natale
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
| | - Elisabetta Crocetti
- Department of Psychology "Renzo Canestrari", University of Bologna, Bologna, Italy
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Yan C, Li A, Hao Y, Zhang X, Guo Y, Gu Y, Wang Y, Wen Y, Tian L, Jie Y. The Relationship Between Circadian Typology and Dry Eye Symptoms in Chinese College Students. Nat Sci Sleep 2022; 14:1919-1925. [PMID: 36320424 PMCID: PMC9618251 DOI: 10.2147/nss.s378612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 10/02/2022] [Indexed: 11/06/2022] Open
Abstract
PURPOSE To explore the relationship between symptomatic dry eye and circadian typology in college students. METHODS This study included 269 students from 3 Chinese universities. All participants completed the ocular surface disease index (OSDI) questionnaire, the morningness-eveningness questionnaire (MEQ), and the Pittsburgh sleep quality index (PSQI) questionnaire. Participants were grouped into 3 types by the reduced MEQ (rMEQ) score:E-Type, N-Type, and M-Type. All these parameters were then analyzed for the effect on the severity of dry eye. RESULTS The occurrence rates of poor sleep quality (PSQI>5) and symptomatic dry eye (OSDI > 13) in the college students were 53.2% and 40.2%, respectively. The distribution of the circadian typology differed significantly among the college students with different dry eye severities (χ 2 = 59.44, P = 0. 000), and E-type was associated with the most severe dry eye symptoms. The OSDI and PSQI scores were both significantly different among college students with different chronotypes (F = 22.14, P = 0.000; F = 15.21, P = 0.000; respectively). For both scores, the E-type scored the highest, followed by N-type, and M-type was the lowest. The circadian typology was an independent factor for dry eye. The risk of E-Type was 6.99 times higher than that of M-Type (P = 0.000), and the risk of N-types was 3.23 times higher than that of M-Type (P = 0.000). Sleep quality was also an independent risk factor for dry eye (P = 0.000). Gender and awareness of dry eye were not risk factors for dry eye. CONCLUSION The severity of dry eye symptoms and sleep quality were associated with different circadian typologies. The more the circadian preference tended to be E-type, the worse the sleep quality and the more serious dry eye symptoms would appear.
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Affiliation(s)
- Chao Yan
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Ao Li
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yiran Hao
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Xiaozhao Zhang
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yihan Guo
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yixuan Gu
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Yinghui Wang
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Ya Wen
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Lei Tian
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Ying Jie
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China
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Saxvig IW, Pallesen S, Sivertsen B, Hysing M, Evanger LN, Bjorvatn B. Sleep during COVID-19-related school lockdown, a longitudinal study among high school students. J Sleep Res 2021; 31:e13499. [PMID: 34601775 PMCID: PMC8646238 DOI: 10.1111/jsr.13499] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 08/25/2021] [Accepted: 09/08/2021] [Indexed: 12/20/2022]
Abstract
There has been great concern about the impact of coronavirus disease 2019 (COVID-19)-related school lockdown on adolescent health. The aim of the present study was to compare sleep patterns before and during COVID-19-related school lockdown, in a large sample of high school students. The present study is based a prospective, longitudinal survey on adolescent sleep health. Phase 1 was conducted in 2019, whereas phase 2 was conducted in 2020 (response rate 60.2%), during the last 10 days of a 60-day long school lockdown. Main outcomes comprised sleep parameters from the Munich ChronoType Questionnaire (MCTQ). A total of 2,022 students provided valid responses to MCTQ in both survey phases. Results showed later sleep timing on schooldays in 2020 compared to 2019 (36 min later bedtimes, Cohen's d = 0.56; 1:35 hr later rise times, Cohen's d = 1.44). Time spent in bed on schooldays increased from 8:20 to 9:19 hr (Cohen's d = 0.78), and sleep duration increased by 45 min (Cohen's d = 0.49). The proportion of adolescents obtaining the recommended ≥8 hr of sleep on schooldays increased from 13.4% (2019) to 37.5% during the lockdown. Social jetlag was reduced from 2:37 hr (2019) to 1:53 hr (2020, Cohen's d = 0.59). Results points to a potential advantageous effect of school lockdown in terms of increased school day sleep duration and reduced social jetlag. As sleep is important for mental and somatic health, it is conceivable that increased sleep duration offered some protection against harmful aspects of the COVID-19 pandemic and associated social restrictions. Future studies should address possible associations between sleep changes and health during COVID-19-related school lockdown.
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Affiliation(s)
- Ingvild West Saxvig
- Norwegian Competence Center for Sleep Disorders, Haukeland University Hospital, Bergen, Norway.,Centre for Sleep Medicine, Haukeland University Hospital, Bergen, Norway
| | - Ståle Pallesen
- Norwegian Competence Center for Sleep Disorders, Haukeland University Hospital, Bergen, Norway.,Department of Psychosocial Science, University of Bergen, Bergen, Norway.,Optentia Research Focus Area, North-West University, Vanderbijlpark Campus, Vanderbijlpark, South Africa
| | - Børge Sivertsen
- Department of Health Promotion, Norwegian Institute of Public Health, Bergen, Norway.,Department of Research and Innovation, Helse Fonna HF, Haugesund, Norway.,Department of Mental Health, Norwegian University of Science and Technology, Bergen, Norway
| | - Mari Hysing
- Department of Psychosocial Science, University of Bergen, Bergen, Norway
| | - Linn Nyjordet Evanger
- Norwegian Competence Center for Sleep Disorders, Haukeland University Hospital, Bergen, Norway
| | - Bjørn Bjorvatn
- Norwegian Competence Center for Sleep Disorders, Haukeland University Hospital, Bergen, Norway.,Centre for Sleep Medicine, Haukeland University Hospital, Bergen, Norway.,Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
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Montaruli A, Castelli L, Mulè A, Scurati R, Esposito F, Galasso L, Roveda E. Biological Rhythm and Chronotype: New Perspectives in Health. Biomolecules 2021; 11:biom11040487. [PMID: 33804974 PMCID: PMC8063933 DOI: 10.3390/biom11040487] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/03/2021] [Accepted: 03/16/2021] [Indexed: 12/11/2022] Open
Abstract
The circadian rhythm plays a fundamental role in regulating biological functions, including sleep–wake preference, body temperature, hormonal secretion, food intake, and cognitive and physical performance. Alterations in circadian rhythm can lead to chronic disease and impaired sleep. The circadian rhythmicity in human beings is represented by a complex phenotype. Indeed, over a 24-h period, a person’s preferred time to be more active or to sleep can be expressed in the concept of morningness–eveningness. Three chronotypes are distinguished: Morning, Neither, and Evening-types. Interindividual differences in chronotypes need to be considered to reduce the negative effects of circadian disruptions on health. In the present review, we examine the bi-directional influences of the rest–activity circadian rhythm and sleep–wake cycle in chronic pathologies and disorders. We analyze the concept and the main characteristics of the three chronotypes.
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Affiliation(s)
- Angela Montaruli
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
- IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161 Milan, Italy
| | - Lucia Castelli
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
| | - Antonino Mulè
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
| | - Raffaele Scurati
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
| | - Fabio Esposito
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
- IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161 Milan, Italy
| | - Letizia Galasso
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
- Correspondence: ; Tel.: +2-5031-4656
| | - Eliana Roveda
- Department of Biomedical Sciences for Health, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (A.M.); (L.C.); (A.M.); (R.S.); (F.E.); (E.R.)
- IRCCS Istituto Ortopedico Galeazzi, Via R. Galeazzi 4, 20161 Milan, Italy
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7
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De Amicis R, Galasso L, Leone A, Vignati L, De Carlo G, Foppiani A, Montaruli A, Roveda E, Cè E, Esposito F, Vanzulli A, Battezzati A, Bertoli S. Is Abdominal Fat Distribution Associated with Chronotype in Adults Independently of Lifestyle Factors? Nutrients 2020; 12:nu12030592. [PMID: 32106417 PMCID: PMC7146439 DOI: 10.3390/nu12030592] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 12/28/2022] Open
Abstract
Both abdominal obesity and its visceral component are independently associated with cardiometabolic diseases. Among the non-modifiable and modifiable determinants, lifestyle plays a central role, while chronotype is an emerging factor. Evening type (E-Type), more active and efficient in the last part of the day, has been associated with a health-impairing style, resulting in a higher risk of obesity and cardiometabolic diseases than morning type (M-Type). However, no study has examined the contribution of chronotype to abdominal fat distribution, even considering adherence to the Mediterranean diet (MD). We conducted a cross-sectional study on 416 adults (69.5% females, 50 ± 13 years). Waist circumference (WC), visceral fat (VAT) using ultrasonography, chronotype through the reduced Morningness-Eveningness Questionnaire (rMEQ), and adherence to MD were studied. Our results showed no differences in WC and VAT between chronotypes. However, adherence to MD resulted significantly lower in the E-Types compared to M-Types. WC decreased with increasing Mediterranean score and rMEQ score, and VAT decreased with increasing rMEQ score, indicating that E-Types have +2 cm of WC and +0.5 cm of VAT compared to M-Types. In conclusion, these results showed that chronotype is independently associated with abdominal obesity and visceral fat, underlining the potential implications of the individual circadian typology on abdominal obesity.
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Affiliation(s)
- Ramona De Amicis
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
- Correspondence: ; Tel.: +39-02503-16652
| | - Letizia Galasso
- Department of Biomedical Sciences for Health, University of Milan, Via Giuseppe Colombo 71, 20133 Milan, Italy; (L.G.); (A.M.); (E.R.); (E.C.); (F.E.)
| | - Alessandro Leone
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
| | - Laila Vignati
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
| | - Giulia De Carlo
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
| | - Andrea Foppiani
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
| | - Angela Montaruli
- Department of Biomedical Sciences for Health, University of Milan, Via Giuseppe Colombo 71, 20133 Milan, Italy; (L.G.); (A.M.); (E.R.); (E.C.); (F.E.)
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy
| | - Eliana Roveda
- Department of Biomedical Sciences for Health, University of Milan, Via Giuseppe Colombo 71, 20133 Milan, Italy; (L.G.); (A.M.); (E.R.); (E.C.); (F.E.)
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy
| | - Emiliano Cè
- Department of Biomedical Sciences for Health, University of Milan, Via Giuseppe Colombo 71, 20133 Milan, Italy; (L.G.); (A.M.); (E.R.); (E.C.); (F.E.)
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy
| | - Fabio Esposito
- Department of Biomedical Sciences for Health, University of Milan, Via Giuseppe Colombo 71, 20133 Milan, Italy; (L.G.); (A.M.); (E.R.); (E.C.); (F.E.)
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy
| | - Angelo Vanzulli
- Department of Oncology and Hemato-Oncology, University of Milan, 20122 Milan, Italy;
| | - Alberto Battezzati
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
| | - Simona Bertoli
- International Center for the Assessment of Nutritional Status (ICANS), Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Sandro Botticelli 21, 20133 Milan, Italy; (A.L.); (G.D.C.); (A.F.); (A.B.); (S.B.)
- IRCCS Istituto Auxologico Italiano, Obesity Unit and Laboratory of Nutrition and Obesity Research, Department of Endocrine and Metabolic Diseases, 20145 Milan, Italy
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8
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Vitale JA, Bonato M, La Torre A, Banfi G. Heart Rate Variability in Sport Performance: Do Time of Day and Chronotype Play A Role? J Clin Med 2019; 8:jcm8050723. [PMID: 31117327 PMCID: PMC6571903 DOI: 10.3390/jcm8050723] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/10/2019] [Accepted: 05/20/2019] [Indexed: 12/20/2022] Open
Abstract
A reliable non-invasive method to assess autonomic nervous system activity involves the evaluation of the time course of heart rate variability (HRV). HRV may vary in accordance with the degree and duration of training, and the circadian fluctuation of this variable is crucial for human health since the heart adapts to the needs of different activity levels during sleep phases or in the daytime. In the present review, time-of-day and chronotype effect on HRV in response to acute sessions of physical activity are discussed. Results are sparse and controversial; however, it seems that evening-type subjects have a higher perturbation of the autonomic nervous system (ANS), with slowed vagal reactivation and higher heart rate values in response to morning exercise than morning types. Conversely, both chronotype categories showed similar ANS activity during evening physical tasks, suggesting that this time of day seems to perturb the HRV circadian rhythm to a lesser extent. The control for chronotype and time-of-day effect represents a key strategy for individual training schedules, and, in perspective, for primary injury prevention.
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Affiliation(s)
| | - Matteo Bonato
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy.
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milan, Italy.
| | - Antonio La Torre
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy.
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Giuseppe Colombo 71, 20133 Milan, Italy.
| | - Giuseppe Banfi
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milan, Italy.
- Vita-Salute San Raffaele University, Via Olgettina 58, 20132 Milan, Italy.
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9
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Antúnez JM, Capella MDM, Navarro JF, Adan A. Circadian rhythmicity in substance use disorder male patients with and without comorbid depression under ambulatory and therapeutic community treatment. Chronobiol Int 2016; 33:1410-1421. [PMID: 27611843 DOI: 10.1080/07420528.2016.1223092] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Although there have been described alterations of circadian rhythmicity both in patients with substance use disorder (SUD) and patients with major depressive disorder (MDD), the circadian characteristics of SUD patients with comorbid MDD (SUD-MDD) are unknown. Likewise, the possible influence of the different modalities of treatments (ambulatory or therapeutic community) upon the circadian rhythmicity of SUD patients has not been characterized. Therefore, this study analyzes the circadian rhythmic profiles of SUD and SUD-MDD patients under ambulatory and therapeutic community treatment. The sample was composed of 40 SUD and 40 SUD-MDD men, aged 22-55 yrs, under treatment and with abstinence for at least three months (including each group 20 ambulatory and 20 from therapeutic community). Patients completed a sociodemographic, clinical and sleep-wake schedules interview, the Composite Scale of Morningness, and wore on the wrist an ambulatory device known as iButton® Thermochron DS1921H, which registered their distal skin temperature every two minutes for 48 hours. All the groups showed a tendency to morningness without differences among them in concordance with their sleep-wake schedules. With regard to distal skin temperature circadian rhythm, SUD patients showed higher values than SUD-MDD in amplitude, relative amplitude, percentage rhythm, and first harmonic power, and lower minimum temperature in 10 consecutive hours (p < .043, in all cases). Therapeutic community group values were lower in minimum temperature and higher in amplitude, relative amplitude, and 12 harmonic accumulated power (p < .028, in all cases) as compared to ambulatory ones. Moreover, all groups showed higher Rayleigh vector and rhythm stability as compared to normative population (p < .043, in both cases). The circadian rhythmic differences observed for diagnosis and type of treatment are indicative of a higher circadian rhythmicity robustness in SUD and therapeutic community patients as compared to SUD-MDD and ambulatory ones, respectively. Although drug consumption exerts a negative effect on the circadian rhythmicity, our results (high amplitude and rhythm stability) are indicative of an adequate circadian functioning as well as of an adjustment to the light-dark cycle in both diagnosis and type of treatment which may constitute a marker of the adherence to treatment and recovery status.
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Affiliation(s)
- Juan Manuel Antúnez
- a Department of Psychobiology, School of Psychology , University of Málaga , Málaga , Spain
| | - María Del Mar Capella
- b Department of Clinical Psychology and Psychobiology , School of Psychology, University of Barcelona , Barcelona , Spain
| | - José Francisco Navarro
- a Department of Psychobiology, School of Psychology , University of Málaga , Málaga , Spain
| | - Ana Adan
- b Department of Clinical Psychology and Psychobiology , School of Psychology, University of Barcelona , Barcelona , Spain.,c Institute of Neurosciences , University of Barcelona , Barcelona , Spain
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FURUSAWA M, OKUBO Y, KURODA R, UMEKAGE T, NAGASHIMA S, SUWAZONO Y. Relationship between morningness-eveningness typology and cumulative fatigue or depression among Japanese male workers. Ind Health 2015; 53:361-7. [PMID: 26051287 PMCID: PMC4550802 DOI: 10.2486/indhealth.2013-0068] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
This study clarified relationships between morningness-eveningness typology and cumulative fatigue or depressive state in Japanese male workers. 959 male chemical factory workers answered a questionnaire that included the MEQ, SDS, CFSI, age, marital status, sleep indexes, life habits, and labor load. Logistic regression analysis was performed with SDS and CFSI as objective variables. We obtained valid responses from 884 subjects, who were classified according to MEQ into definitely morning type (4.1%), moderately morning type (38.6%), intermediate type (55.1%), moderately evening type (2.3%), and definitely evening type (0%). The results of logistic regression analysis show that the odds ratio of a subscale among CFSI, chronic fatigue in the moderately evening type (3.33, p=0.046) was elevated compared with that in the intermediate type (2.07, p=0.004). However, the odds ratio of SDS (1.67, p=0.028) and two subscales among CFSI, decreased vitality (1.67, p=0.021), and depressive feelings (2.02, p=0.001), for which significant relationships were found only in the intermediate type, were higher in the moderately evening type than in the intermediate type. These results suggest that relationships between cumulative fatigue or depressive state and circadian typology exist among workers independent of working hours, sleep indexes, or life habits.
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Affiliation(s)
| | - Yasushi OKUBO
- Division for Environment, Health and Safety, The University
of Tokyo, Japan
- *To whom correspondence should be addressed. E-mail:
| | - Reiko KURODA
- Division for Environment, Health and Safety, The University
of Tokyo, Japan
- Department of Occupational and Environmental Medicine,
Graduate school of Medicine, Chiba University, Japan
| | - Tadashi UMEKAGE
- Division for Environment, Health and Safety, The University
of Tokyo, Japan
| | | | - Yasushi SUWAZONO
- Department of Occupational and Environmental Medicine,
Graduate school of Medicine, Chiba University, Japan
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Abstract
There is consistent evidence suggesting a relationship between individuals' sleep-wake rhythms and well-being. The indiscriminate demands from daily working routines, which do not respect this individual physiological rhythm, might be mediating this phenomenon. The aim of the present study was to evaluate the relationship between the characteristics of sleep routines during working days and psychological well-being. This was a cross-sectional study on 825 individuals from rural communities from southern Brazil. The study protocol included a questionnaire on demographic characteristics, working routines, health complaints, and habits; the Munich Chronotype Questionnaire for sleep-wake rhythm and; the WHO-Five well-being index. Since sex has been shown to affect sleep circadian rhythm and well-being, analysis was performed on men and women separately. In the proposed hierarchical regression models, different factors contributed to well-being according to sex. Among men, sleep-wake and work-related variables did not predict well-being scores. Among women, later midpoints of sleep on working days (B = -1.243, SE B = 0.315, β = -0.220), working more days per week (B = -1.507, SE B = 0.494, β = 0.150), having longer working journeys (B = -0.293, SE B = 0.105, β = -0.166), earlier working journey midpoints (B = 0.465, SE B = 0.222, β = 0.115), and being exposed to less sunlight (B = 0.140, SE B = 0.064, β = 0.103) predicted worse well-being. For the subgroup of women with days free from work, we have found a correlation between later midpoints of sleep during the week with worse well-being (Pearson's r = -0.159, p = 0.045) while the same relationship was not significantly observed with the midpoint of sleep on non-working days (Pearson's r = -0.153, p = 0.054). Considering WHO-Five as categorical, based on proposed clinical cut-offs, among women working 7-d/week, those with worst well-being (WHO-Five < 13) had the latest midpoint of sleep (F = 4.514, p = 0.012). Thus, the midpoint of sleep on working days represents the interaction between individuals' sleep-wake behavior and working routines. It plays an important role as a stress factor and may be a useful alternative variable related to chronodisruption.
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