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The association between short sleep duration and weight gain is dependent on disinhibited eating behavior in adults.

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TLDR
Having a high disinhibition eating behavior trait significantly increased the risk of overeating and gaining weight in adults characterized by short sleep duration, and might explain the interindividual differences in weight gain associated with shortSleep duration.
Abstract
STUDY OBJECTIVE To investigate whether the relationship between short sleep duration and subsequent body weight gain is influenced by disinhibited eating behavior. DESIGN Six-year longitudinal study. SETTING Community setting. PARTICIPANTS Two hundred seventy-six adults aged 21 to 64 years from the Quebec Family Study. MEASUREMENTS AND RESULTS Body composition measurements, self-reported sleep duration, and disinhibition eating behavior trait (Three-Factor Eating Questionnaire) were determined at both baseline and after 6 years. For each sleep-duration group (short- [≤6 h] average, [7-8 h], and long- [≥9 h] duration sleepers), differences in weight gain and waist circumference were tested by comparing the lowest (score ≤ 3) versus the highest (score ≥ 6) disinhibition eating behavior tertiles using analysis of covariance, with adjustment for potential confounding factors. Individuals having both short sleep duration and high disinhibition eating behavior were more likely to gain weight and increase their abdominal circumference over time (P<0.05); however, short-duration sleepers having a low disinhibition eating behavior trait were not more likely to increase their adiposity indicators than were average-duration sleepers. Over the 6-year follow-up period, the incidence of overweight/obesity for short-duration sleepers with a high disinhibition eating behavior trait was 2.5 times more frequent than for short-duration sleepers with a low disinhibition eating behavior trait. Energy intake was significantly higher in short-duration sleepers with a high disinhibition eating behavior trait (P<0.05 versus all other groups). CONCLUSIONS We observed that having a high disinhibition eating behavior trait significantly increased the risk of overeating and gaining weight in adults characterized by short sleep duration. This observation is novel and might explain the interindividual differences in weight gain associated with short sleep duration.

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References
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Journal ArticleDOI

The three-factor eating questionnaire to measure dietary restraint, disinhibition and hunger

TL;DR: The first step was a collation of items from two existing questionnaires that measure the related concepts of 'restrained eating' and 'latent obesity', to which were added items newly written to elucidate these concepts.
Journal ArticleDOI

Impact of sleep debt on metabolic and endocrine function

TL;DR: Sleep debt has a harmful impact on carbohydrate metabolism and endocrine function similar to those seen in normal ageing and, therefore, sleep debt may increase the severity of age-related chronic disorders.
Journal ArticleDOI

Brief communication: Sleep curtailment in healthy young men is associated with decreased leptin levels, elevated ghrelin levels, and increased hunger and appetite.

TL;DR: In this study, 12 young, healthy, normal-weight men exhibited reductions in the satiety hormone leptin, increases in the hunger hormone ghrelin, and increases in hunger after 2 nights of only 4 hours of sleep compared with after two nights of 10 hours ofSleep, suggesting inadequate sleep seems to influence the hormones that regulate satiety and hunger.
Journal ArticleDOI

Short Sleep Duration Is Associated with Reduced Leptin, Elevated Ghrelin, and Increased Body Mass Index

TL;DR: Differences in leptin and ghrelin are likely to increase appetite, possibly explaining the increased BMI observed with short sleep duration, and changes in appetite regulatory hormones with sleep curtailment may contribute to obesity.
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