Exploring Sleep, Energy Balance, and Weight Loss Maintenance After Bariatric Surgery in Adult Females: A Cross-Sectional Study.

ABSTRACT:

Objective

This cross-sectional study examined associations between sleep, body weight, body composition, appetite, and food reward after bariatric surgery.

Methods

A single 7-day study period in 22 female adults (age, 53.5 ± 9.3 years; BMI, 35.5 ± 8.5 kg/m²; body fat: 44.9% ± 8.6%) who underwent bariatric surgery ≥ 1 year prior to enrollment assessed: actigraphy-measured sleep (duration, efficiency, midpoint, and variability [coefficient of variation]) and activity energy expenditure (AEE); sleep architecture and apnea-hypopnea index (AHI) via in-home polysomnography; energy intake via food diaries; resting EE via indirect calorimetry; fasting appetite via visual analog scales; and food reward via Leeds Food Preference Questionnaire.

Results

Weight regain w

SUBMITTER: Koch HR 

PROVIDER: S-EPMC12933230 | biostudies-literature | 2026 Mar

REPOSITORIES: biostudies-literature