Cited by 84Sleep and Wakefulness ResearchSleep and related disordersSleep and Work-Related Fatigue

Experimental sleep curtailment causes wake-dependent increases in 24-h energy expenditure as measured by whole-room indirect calorimetry

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Shechter, Ari, Rising, Russell, Albu, Jeanine B, St-Onge, Marie-Pierre·2013·The American Journal of Clinical Nutrition

Abstract

Background Epidemiologic evidence has shown a link between short sleep and obesity. Clinical studies suggest a role of increased energy intake in this relation, whereas the contributions of energy expenditure (EE) and substrate utilization are less clearly defined.Objective Our aim was to investigate the effects of sleep curtailment on 24-h EE and respiratory quotient (RQ) by using whole-room indirect calorimetry under fixed-meal conditions.Design Ten females aged 22-43 y with a BMI (in kg/m²) of 23.4-27.5 completed a randomized, crossover study. Participants were studied under short- (4 h/night) and habitual- (8 h/night) sleep conditions for 3 d, with a 4-wk washout period between visits. Standardized weight-maintenance meals were served at 0800, 1200, and 1900 with a snack at 1600. Measures included EE and RQ during the sleep episode on day 2 and continuously over 23 h on day 3.Results Short compared with habitual sleep resulted in significantly higher (± SEM) 24-h EE (1914.0 ± 62.4 compared with 1822.1 ± 43.8 kcal; P = 0.012). EE during the scheduled sleep episode (0100-0500 and 2300-0700 in short- and habitual-sleep conditions, respectively) and across the waking episode (0800-2300) were unaffected by sleep restriction. RQ was unaffected by sleep restriction.Conclusions Short compared with habitual sleep is associated with an increased 24-h EE of ~92 kcal (~5%)--lower than the increased energy intake observed in prior sleep-curtailment studies. This finding supports the hypothesis that short sleep may predispose to weight gain as a result of an increase in energy intake that is beyond the modest energy costs associated with prolonged nocturnal wakefulness.

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Crossref · 10.3945/ajcn.113.069427

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Authors
Shechter, A., Rising, R., Albu, J. B., & St-Onge, M.-P.
Affiliations
St. Luke's-Roosevelt Hospital Center (US)
Venue
The American Journal of Clinical Nutrition
Publisher
Elsevier BV
Published
2013-12
Volume
98
Issue
6
Pages
1433-1439
ISSN
0002-9165 (ISSN-L)
OpenAlex
W2020299718
Cited by
84
References
37
Citations by year
2026: 3 · 2025: 2 · 2024: 4 · 2023: 6 · 2022: 8 · 2021: 5 · 2020: 4 · 2019: 3 · 2018: 8 · 2017: 7 · 2016: 13 · 2015: 10 · 2014: 9 · 2013: 2
FWCI
6.19
Type
journal article
Language
en
Open access
Locations
  • American Journal of Clinical Nutrition (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (UL1TR000040)
  • National Heart, Lung, and Blood Institute (R01HL091352)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK026687, T32DK007559)
  • National Center for Research Resources (UL1RR024156)
  • National Center for Advancing Translational Sciences
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
sleep restriction, short sleep duration, energy expenditure, respiratory quotient, obesity, energy intake, nocturnal wakefulness, substrate utilization
MeSH terms
Adult, Energy Intake, Calorimetry, Indirect, Circadian Rhythm, Energy Metabolism, Female, Humans, Motor Activity, Oxygen Consumption, Sleep Deprivation, Reproducibility of Results, Weight Gain, Up-Regulation, Body Mass Index, Cross-Over Studies, Overweight, Young Adult

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