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Wüst LN, Capdevila NC, Lane LT, Reichert CF, Lasauskaite R. Impact of one night of sleep restriction on sleepiness and cognitive function: A systematic review and meta-analysis. Sleep Med Rev 2024; 76:101940. [PMID: 38759474 DOI: 10.1016/j.smrv.2024.101940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/24/2024] [Accepted: 04/16/2024] [Indexed: 05/19/2024]
Abstract
Detrimental consequences of chronic sleep restriction on cognitive function are well established in the literature. However, effects of a single night of sleep restriction remain equivocal. Therefore, we synthesized data from 44 studies to investigate effects of sleep restriction to 2-6 h sleep opportunity on sleepiness and cognition in this meta-analysis. We investigated subjective sleepiness, sustained attention, choice reaction time, cognitive throughput, working memory, and inhibitory control. Results revealed a significant increase in subjective sleepiness following one night of sleep restriction (Standardized Mean Difference (SMD) = 0.986, p < 0.001), while subjective sleepiness was not associated with sleep duration during sleep restriction (β = -0.214, p = 0.039, significance level 0.01). Sustained attention, assessed via common 10-min tasks, was impaired, as demonstrated through increased reaction times (SMD = 0.512, p < 0.001) and attentional lapses (SMD = 0.489, p < 0.001). However, the degree of impaired attention was not associated with sleep duration (ps > 0.090). We did not find significant effects on choice reaction time, cognitive throughput, working memory, or inhibitory control. Overall, results suggest that a single night of restricted sleep can increase subjective sleepiness and impair sustained attention, a cognitive function crucial for everyday tasks such as driving.
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Affiliation(s)
- Larissa N Wüst
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland.
| | - Noëmi C Capdevila
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland
| | - Lina T Lane
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland
| | - Carolin F Reichert
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland
| | - Ruta Lasauskaite
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland
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2
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Hayat Z, Sharma S, Minhaj T. Efficacy of caffeine on athletic performance: A systematic review and meta-analysis. Sci Sports 2022. [DOI: 10.1016/j.scispo.2021.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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3
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Acute Effects of Caffeine Supplementation on Physical Performance, Physiological Responses, Perceived Exertion, and Technical-Tactical Skills in Combat Sports: A Systematic Review and Meta-Analysis. Nutrients 2022; 14:nu14142996. [PMID: 35889953 PMCID: PMC9315598 DOI: 10.3390/nu14142996] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 02/04/2023] Open
Abstract
Although the effects of caffeine supplementation on combat sports performance have been extensively investigated, there is currently no consensus regarding its ergogenic benefits.This systematic review with meta-analysis aimed to summarize the studies investigating the effects of caffeine supplementation on different aspects of performance in combat sports and to quantitatively analyze the results of these studies to better understand the ergogenic effect of caffeine on combat sports outcomes. A systematic search for randomized placebo-controlled studies investigating the effects of caffeine supplementation on combat sports’ performance was performed through Scopus, Pubmed, Web of Science and Cochrane Library databases up to 18 April 2022. Random-effects meta-analyses of standardized mean differences (Hedge’s g) were performed to analyze the data. Twenty-six studies of good and excellent methodological quality (based on the Pedro scale) fulfilled the inclusion criteria. The meta-analysis results revealed caffeine has a small but evident effect size (ES) on handgrip strength (ES = 0.28; 95% CI: 0.04 to 0.52; p = 0.02), and total number of throws during the special judo fitness test (SJFT) (ES = 0.42; 95% CI: 0.06 to 0.78; p = 0.02). Regarding the physiological responses, caffeine increased blood lactate concentration ([La]) in anaerobic exercise (ES = 1.23; 95% CI: 0.29 to 2.18; p = 0.01) and simulated combat (ES = 0.91; 95% CI: 0.34 to 1.47; p = 0.002). For Heart Rate (HR), caffeine increased HR final (ES = 0.31; 95% CI: 0.11 to 0.52; p = 0.003), and HR 1min (ES = 0.20; 95% CI 0.004 to 0.40; p = 0.045). However, caffeine had no impact on the countermovement jump height, the SJFT index, the judogi strength-endurance test, the number and duration of offensive actions, HR at the end of the fight, and the rating of perceived exertion. Caffeine supplementation may be ergogenic for a range of combat sports aspects involving isometric strength, anaerobic power, reaction time, and anaerobic metabolism. However, supplementation effects might be ineffective under certain circumstances, indicating supplementation needs to take into account the performance metric in question prior to creating a dosing protocol.
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Craven J, McCartney D, Desbrow B, Sabapathy S, Bellinger P, Roberts L, Irwin C. Effects of Acute Sleep Loss on Physical Performance: A Systematic and Meta-Analytical Review. Sports Med 2022; 52:2669-2690. [PMID: 35708888 PMCID: PMC9584849 DOI: 10.1007/s40279-022-01706-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Sleep loss may influence subsequent physical performance. Quantifying the impact of sleep loss on physical performance is critical for individuals involved in athletic pursuits. DESIGN Systematic review and meta-analysis. SEARCH AND INCLUSION Studies were identified via the Web of Science, Scopus, and PsycINFO online databases. Investigations measuring exercise performance under 'control' (i.e., normal sleep, > 6 h in any 24 h period) and 'intervention' (i.e., sleep loss, ≤ 6 h sleep in any 24 h period) conditions were included. Performance tasks were classified into different exercise categories (anaerobic power, speed/power endurance, high-intensity interval exercise (HIIE), strength, endurance, strength-endurance, and skill). Multi-level random-effects meta-analyses and meta-regression analyses were conducted, including subgroup analyses to explore the influence of sleep-loss protocol (e.g., deprivation, restriction, early [delayed sleep onset] and late restriction [earlier than normal waking]), time of day the exercise task was performed (AM vs. PM) and body limb strength (upper vs. lower body). RESULTS Overall, 227 outcome measures (anaerobic power: n = 58; speed/power endurance: n = 32; HIIE: n = 27; strength: n = 66; endurance: n = 22; strength-endurance: n = 9; skill: n = 13) derived from 69 publications were included. Results indicated a negative impact of sleep loss on the percentage change (%Δ) in exercise performance (n = 959 [89%] male; mean %Δ = - 7.56%, 95% CI - 11.9 to - 3.13, p = 0.001, I2 = 98.1%). Effects were significant for all exercise categories. Subgroup analyses indicated that the pattern of sleep loss (i.e., deprivation, early and late restriction) preceding exercise is an important factor, with consistent negative effects only observed with deprivation and late-restriction protocols. A significant positive relationship was observed between time awake prior to the exercise task and %Δ in performance for both deprivation and late-restriction protocols (~ 0.4% decrease for every hour awake prior to exercise). The negative effects of sleep loss on different exercise tasks performed in the PM were consistent, while tasks performed in the AM were largely unaffected. CONCLUSIONS Sleep loss appears to have a negative impact on exercise performance. If sleep loss is anticipated and unavoidable, individuals should avoid situations that lead to experiencing deprivation or late restriction, and prioritise morning exercise in an effort to maintain performance.
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Affiliation(s)
- Jonathan Craven
- School of Health Sciences and Social Work, Griffith University, Southport, QLD 4222 Australia ,Queensland Academy of Sport, Nathan, QLD Australia
| | - Danielle McCartney
- School of Psychology, Faculty of Science, University of Sydney, Sydney, NSW Australia
| | - Ben Desbrow
- School of Health Sciences and Social Work, Griffith University, Southport, QLD 4222 Australia
| | - Surendran Sabapathy
- School of Health Sciences and Social Work, Griffith University, Southport, QLD 4222 Australia
| | - Phillip Bellinger
- School of Health Sciences and Social Work, Griffith University, Southport, QLD 4222 Australia ,Griffith Sports Science, Griffith University, Gold Coast, QLD Australia
| | - Llion Roberts
- School of Health Sciences and Social Work, Griffith University, Southport, QLD 4222 Australia ,Griffith Sports Science, Griffith University, Gold Coast, QLD Australia ,School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, QLD Australia
| | - Christopher Irwin
- School of Health Sciences and Social Work, Griffith University, Southport, QLD 4222 Australia
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Clemente FM, Afonso J, Costa J, Oliveira R, Pino-Ortega J, Rico-González M. Relationships between Sleep, Athletic and Match Performance, Training Load, and Injuries: A Systematic Review of Soccer Players. Healthcare (Basel) 2021; 9:healthcare9070808. [PMID: 34206948 PMCID: PMC8305909 DOI: 10.3390/healthcare9070808] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/19/2021] [Accepted: 06/24/2021] [Indexed: 11/16/2022] Open
Abstract
The purpose of this systematic review was to summarize available evidence regarding the relationships between sleep and (i) athletic and match performance, (ii) training load, and (iii) injuries in soccer players. A systematic review of EBSCOhost (SPORTDiscus), PubMed, Cochrane Library, FECYT (Web of Sciences, CCC, DIIDW, KJD, MEDLINE, RSCI, and SCIELO) databases was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A total of 297 titles were identified, of which 32 met the eligibility criteria. Results revealed that soccer players are no exception for sleep inadequacy. Although there was inconsistency in the findings, some studies suggested that sleep restrictions in soccer negatively affected athletic and match performance while also increasing the number and severity of musculoskeletal injuries. On the other hand, inconsistent results were found between sleep and athletic and match performance, and training load in soccer players. Physiological responses (and their intensity) during drill-based games were not influenced by changes in sleep. The available evidence is inconsistent; however, it appears to suggest that poor sleep affects soccer players' performance and increases the risk of injury. However, it remains important to study this complex relationship further.
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Affiliation(s)
- Filipe Manuel Clemente
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun’Álvares, 4900-347 Viana do Castelo, Portugal
- Instituto de Telecomunicações, Delegação da Covilhã, 1049-001 Lisboa, Portugal
- Correspondence:
| | - José Afonso
- Centre for Research, Education, Innovation and Intervention in Sport, Faculty of Sport of the University of Porto, 4200-450 Porto, Portugal;
| | - Júlio Costa
- Portugal Football School, Portuguese Football Federation, FPF, 1495-433 Cruz Quebrada, Portugal;
| | - Rafael Oliveira
- Sports Science School of Rio Maior–Polytechnic Institute of Santarém, 2140-413 Rio Maior, Portugal;
- Life Quality Research Centre, 2140-413 Rio Maior, Portugal
- Research Center in Sport Sciences, Health Sciences and Human Development, 5001-801 Vila Real, Portugal
| | - José Pino-Ortega
- Faculty of Sports Sciences, University of Murcia, 30720 San Javier, Spain;
- BIOVETMED & SPORTSCI Research Group, University of Murcia, 30720 San Javier, Spain;
| | - Markel Rico-González
- BIOVETMED & SPORTSCI Research Group, University of Murcia, 30720 San Javier, Spain;
- Department of Physical Education and Sport, University of the Basque Country, UPV-EHU, Lasarte 71, 01007 Vitoria-Gasteiz, Spain
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Balko S, Simonek J, Balko I, Heller J, Chytry V, Balogova K, Gronek P. The influence of different caffeine doses on visual and audial reaction time with different delay from its consumption. Sci Sports 2020. [DOI: 10.1016/j.scispo.2019.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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7
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Abstract
Caffeine is a widely utilized performance-enhancing supplement used by athletes and non-athletes alike. In recent years, a number of meta-analyses have demonstrated that caffeine's ergogenic effects on exercise performance are well-established and well-replicated, appearing consistent across a broad range of exercise modalities. As such, it is clear that caffeine is an ergogenic aid-but can we further explore the context of this ergogenic aid in order to better inform practice? We propose that future research should aim to better understand the nuances of caffeine use within sport and exercise. Here, we propose a number of areas for exploration within future caffeine research. These include an understanding of the effects of training status, habitual caffeine use, time of day, age, and sex on caffeine ergogenicity, as well as further insight into the modifying effects of genotype. We also propose that a better understanding of the wider, non-direct effects of caffeine on exercise, such as how it modifies sleep, anxiety, and post-exercise recovery, will ensure athletes can maximize the performance benefits of caffeine supplementation during both training and competition. Whilst not exhaustive, we hope that the questions provided within this manuscript will prompt researchers to explore areas with the potential to have a large impact on caffeine use in the future.
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Affiliation(s)
- Craig Pickering
- Institute of Coaching and Performance, School of Sport and Wellbeing, University of Central Lancashire, Fylde Road, Preston, PR1 2HE, UK. .,The Prenetics DNAFit Research Centre, London, UK.
| | - Jozo Grgic
- Institute for Health and Sport (IHES), Victoria University, Melbourne, Australia
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Baati H, Chtourou H, Moalla W, Jarraya M, Nikolaidis PT, Rosemann T, Knechtle B. Effect of Angle of View and Partial Sleep Deprivation on Distance Perception. Front Psychol 2020; 11:201. [PMID: 32218750 PMCID: PMC7078342 DOI: 10.3389/fpsyg.2020.00201] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Accepted: 01/29/2020] [Indexed: 01/04/2023] Open
Abstract
The present study aimed to investigate the effects of intensive effort on egocentric distance perception according to different angles of view after sleep deprivation at the beginning (SDB) or at the end (SDE) of the night and after a normal sleep night (NNS). Ten male students soccer players (age 22.8 ± 1.3 years; body mass 72.0 ± 10.4 kg; body height 180.0 ± 3.0 cm) performed a repeated cycling (RS) exercise (10 × 6 s maximal cycling with 24 s in between) after SDB, SDE, and NNS. They were asked to estimate three distances (i.e. 15, 25, and 35 m) before and after RS from different angles of view [i.e. in front (0°) and in side (45° left and 45° right)]. For 35 m, distance estimation was better during NNS compared to SDB and SDE for the front and the two side angles either before or after RS (p < 0.05). Concerning 25 m, distance estimation was better after compared to before RS for the front angle during the NNS session (p < 0.05). For 15 m, distance estimation was better during NNS than SDB and SDE for the front and both side angles after RS (p < 0.05). We concluded that partial sleep deprivation negatively affected the estimation of the egocentric distance for the three angles of view either at rest or after RS exercise.
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Affiliation(s)
- Hamza Baati
- LR18JS01: Education, Motricité, Sport et Santé, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | - Hamdi Chtourou
- Activité Physique, Sport et Santé, UR18JS01, Observatoire National du Sport, Tunis, Tunisia.,Institut Supérieur du Sport et de l'Education Physique de Sfax, Université de Sfax, Sfax, Tunisia
| | - Wassim Moalla
- LR18JS01: Education, Motricité, Sport et Santé, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia
| | - Mohamed Jarraya
- LR18JS01: Education, Motricité, Sport et Santé, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia.,Institut Supérieur du Sport et de l'Education Physique de Sfax, Université de Sfax, Sfax, Tunisia
| | | | - Thomas Rosemann
- Institute of Primary Care, University Hospital Zurich, Zurich, Switzerland
| | - Beat Knechtle
- Institute of Primary Care, University Hospital Zurich, Zurich, Switzerland.,Medbase St. Gallen Am Vadianplatz, St. Gallen, Switzerland
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Irwin C, Khalesi S, Desbrow B, McCartney D. Effects of acute caffeine consumption following sleep loss on cognitive, physical, occupational and driving performance: A systematic review and meta-analysis. Neurosci Biobehav Rev 2020; 108:877-888. [DOI: 10.1016/j.neubiorev.2019.12.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 12/06/2019] [Accepted: 12/06/2019] [Indexed: 12/17/2022]
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Claudino JG, J Gabbet T, de Sá Souza H, Simim M, Fowler P, de Alcantara Borba D, Melo M, Bottino A, Loturco I, D'Almeida V, Carlos Amadio A, Cerca Serrão J, P Nassis G. Which parameters to use for sleep quality monitoring in team sport athletes? A systematic review and meta-analysis. BMJ Open Sport Exerc Med 2019; 5:e000475. [PMID: 30729029 PMCID: PMC6340585 DOI: 10.1136/bmjsem-2018-000475] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/26/2018] [Indexed: 02/03/2023] Open
Abstract
Background Sleep quality is an essential component of athlete's recovery. However, a better understanding of the parameters to adequately quantify sleep quality in team sport athletes is clearly warranted. Objective To identify which parameters to use for sleep quality monitoring in team sport athletes. Methods Systematic searches for articles reporting the qualitative markers related to sleep in team sport athletes were conducted in PubMed, Scopus, SPORTDiscus and Web of Science online databases. The systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. For the meta-analysis, effect sizes with 95% CI were calculated and heterogeneity was assessed using a random-effects model. The coefficient of variation (CV) with 95% CI was also calculated to assess the level of instability of each parameter. Results In general, 30 measuring instruments were used for monitoring sleep quality. A meta-analysis was undertaken on 15 of these parameters. Four objective parameters inferred by actigraphy had significant results (sleep efficiency with small CV and sleep latency, wake episodes and total wake episode duration with large CV). Six subjective parameters obtained from questionnaires and scales also had meaningful results (Pittsburgh Sleep Quality Index (sleep efficiency), Likert scale (Hooper), Likert scale (no reference), Liverpool Jet-Lag Questionnaire, Liverpool Jet-Lag Questionnaire (sleep rating) and RESTQ (sleep quality)). Conclusions These data suggest that sleep efficiency using actigraphy, Pittsburgh Sleep Quality Index, Likert scale, Liverpool Jet-Lag Questionnaire and RESTQ are indicated to monitor sleep quality in team sport athletes. PROSPERO registration number CRD42018083941.
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Affiliation(s)
- João Gustavo Claudino
- School of Physical Education and Sport-Laboratory of Biomechanics, University of São Paulo, São Paulo, Brazil.,LOAD CONTROL, Contagem, Brazil
| | - Tim J Gabbet
- Gabbett Performance Solutions, Brisbane, Australia.,Institute for Resilient Regions, University of Southern Queensland, Ipswich, Brisbane, Australia
| | - Helton de Sá Souza
- Department of Psychobiology, Universidade Federal de São Paulo-Escola Paulista de Medicina, São Paulo, Brazil
| | - Mário Simim
- Institute of Physical Education and Sports, Universidade Federal do Ceará, Ceará, Brazil
| | - Peter Fowler
- Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar.,Queensland University of Technology, Queensland, Brisbane, Australia
| | | | - Marco Melo
- Department of Physiology, São Paulo Futebol Clube, São Paulo, Brazil
| | - Altamiro Bottino
- Department of Physiology, São Paulo Futebol Clube, São Paulo, Brazil
| | - Irineu Loturco
- NAR-Nucleus of High Performance in Sport, São Paulo, Brazil
| | - Vânia D'Almeida
- Department of Psychobiology, Universidade Federal de São Paulo-Escola Paulista de Medicina, São Paulo, Brazil
| | - Alberto Carlos Amadio
- School of Physical Education and Sport-Laboratory of Biomechanics, University of São Paulo, São Paulo, Brazil
| | - Julio Cerca Serrão
- School of Physical Education and Sport-Laboratory of Biomechanics, University of São Paulo, São Paulo, Brazil
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Souissi M, Chikh N, Affès H, Sahnoun Z. Caffeine reversal of sleep deprivation effects on alertness, mood and repeated sprint performances in physical education students. BIOL RHYTHM RES 2018. [DOI: 10.1080/09291016.2017.1413765] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Makram Souissi
- Laboratory of Pharmacology, Faculty of Medicine, University of Sfax, Tunisia
| | - Najiba Chikh
- Laboratory of Pharmacology, Faculty of Medicine, University of Sfax, Tunisia
| | - Hanène Affès
- Laboratory of Pharmacology, Faculty of Medicine, University of Sfax, Tunisia
| | - Zouheir Sahnoun
- Laboratory of Pharmacology, Faculty of Medicine, University of Sfax, Tunisia
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