Effect of shortened sleep on energy expenditure, core body temperature, and appetite: A human randomised crossover trial

Masanobu Hibi, Chie Kubota, Tomohito Mizuno, Sayaka Aritake, Yuki Mitsui, Mitsuhiro Katashima, Sunao Uchida

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The effects of sleep restriction on energy metabolism and appetite remain controversial. We examined the effects of shortened sleep duration on energy metabolism, core body temperature (CBT), and appetite profiles. Nine healthy men were evaluated in a randomised crossover study under two conditions: a 3.5-h sleep duration and a 7-h sleep duration for three consecutive nights followed by one 7-h recovery sleep night. The subjects' energy expenditure (EE), substrate utilisation, and CBT were continually measured for 48 h using a whole-room calorimeter. The subjects completed an appetite questionnaire every hour while in the calorimeter. Sleep restriction did not affect total EE or substrate utilisation. The 48-h mean CBT decreased significantly during the 3.5-h sleep condition compared with the 7-h sleep condition (7-h sleep, 36.75 ± 0.11 °C; 3.5-h sleep, 36.68 ± 0.14 °C; p = 0.016). After three consecutive nights of sleep restriction, fasting peptide YY levels and fullness were significantly decreased (p = 0.011), whereas hunger and prospective food consumption were significantly increased, compared to those under the 7-h sleep condition. Shortened sleep increased appetite by decreasing gastric hormone levels, but did not affect EE, suggesting that greater caloric intake during a shortened sleep cycle increases the risk of weight gain.

Original languageEnglish
Article number39640
JournalScientific Reports
Volume7
DOIs
Publication statusPublished - 2017 Jan 10

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Appetite
Body Temperature
Cross-Over Studies
Energy Metabolism
Sleep
Peptide YY
Hunger
Energy Intake
Weight Gain
Fasting
Stomach

ASJC Scopus subject areas

  • General

Cite this

Effect of shortened sleep on energy expenditure, core body temperature, and appetite : A human randomised crossover trial. / Hibi, Masanobu; Kubota, Chie; Mizuno, Tomohito; Aritake, Sayaka; Mitsui, Yuki; Katashima, Mitsuhiro; Uchida, Sunao.

In: Scientific Reports, Vol. 7, 39640, 10.01.2017.

Research output: Contribution to journalArticle

Hibi, Masanobu ; Kubota, Chie ; Mizuno, Tomohito ; Aritake, Sayaka ; Mitsui, Yuki ; Katashima, Mitsuhiro ; Uchida, Sunao. / Effect of shortened sleep on energy expenditure, core body temperature, and appetite : A human randomised crossover trial. In: Scientific Reports. 2017 ; Vol. 7.
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