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Hart CN, Fava JL, Subak LL, et al. Time in Bed is Associated with Decreased Physical Activity and Higher BMI in Women Seeking Weight Loss Treatment. ISRN Obes. 2012;2012doi: 10.5402/2012/320157.
Hart, C. N., Fava, J. L., Subak, L. L., Stone, K., Vittinghoff, E., Demos, K., O'Brien, E., Cairns, A., & Wing, R. (2012). Time in Bed is Associated with Decreased Physical Activity and Higher BMI in Women Seeking Weight Loss Treatment. ISRN obesity, 2012. https://doi.org/10.5402/2012/320157
Hart, Chantelle N, et al. "Time in Bed is Associated with Decreased Physical Activity and Higher BMI in Women Seeking Weight Loss Treatment." ISRN obesity vol. 2012 (2012). doi: https://doi.org/10.5402/2012/320157
Hart CN, Fava JL, Subak LL, Stone K, Vittinghoff E, Demos K, O'Brien E, Cairns A, Wing R. Time in Bed is Associated with Decreased Physical Activity and Higher BMI in Women Seeking Weight Loss Treatment. ISRN Obes. 2012;2012. doi: 10.5402/2012/320157. PMID: 24198999; PMCID: PMC3816962.
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ISRN Obes. 2012;2012. doi: 10.5402/2012/320157.

Time in Bed is Associated with Decreased Physical Activity and Higher BMI in Women Seeking Weight Loss Treatment.

ISRN obesity

Chantelle N Hart, Joseph L Fava, Leslee L Subak, Katie Stone, Eric Vittinghoff, Kathryn Demos, Erin O'Brien, Alyssa Cairns, Rena Wing

Affiliations

  1. Weight Control and Diabetes Research Center, The Miriam Hospital; Psychiatry and Human Behavior, Alpert Medical School of Brown University; 196 Richmond Street, Providence, RI 02903.

PMID: 24198999 PMCID: PMC3816962 DOI: 10.5402/2012/320157

Abstract

Short sleep duration is associated with obesity risk. Despite calls to incorporate strategies to enhance sleep within the context of behavioral weight loss (BWL) treatment, little is known regarding the association between sleep and body mass index (BMI) among individuals presenting for BWL. Moreover, most research has focused on eating pathways linking sleep and BMI, and have not explored how sleep may impact engagement in physical activity. The purpose of the present study was to determine whether, in a sample of women seeking treatment for weight loss, there was an association between reported time in bed (TIB), higher BMI, lower physical activity, and less favorable dietary composition. Prior to randomization, 318 women completed measures of TIB, eating, and activity; weight and height were measured. Findings demonstrated that report of '6 hours or less' TIB/night was associated with higher BMI and lower reported physical activity compared to the referent (>7 to ≤ 8 hours/night). It was not associated with the number of reported calories consumed each day or with the percent of calories consumed from fat, carbohydrates or protein. Better understanding the role of sleep within the context of BWL treatment in women seems warranted.

Keywords: BMI; diet; physical activity; sleep duration

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