Impact of eating duration on weight management, sleeping quality, and psychological stress: A pilot study

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◆ 논문 초록 (Abstract)

The daily eating window significantly impacts weight and metabolic health, yet its ideal duration remains uncertain. Thirty-four healthy middle-aged women were randomly assigned to two intervention groups: 8-h time-restricted eating (TRE) and 14-h time-extended eating (EXE). Each intervention lasted 4 wk, with a 16-d washout period before switching to the other intervention. Clinical biomarkers were collected before and after each intervention, and sleep quality was assessed using the Korean Version of the Pittsburgh Sleep Quality Index (PSQI-K). Additionally, a daily visual analogue scale (VAS) was used to evaluate psychological changes. The TRE group experienced significant weight reduction, lower fasting plasma glucose and total serum cholesterol levels compared to the EXE group, but with an increase in systolic blood pressure. The EXE group showed improved blood pressure. The TRE group reported higher stress levels on the VAS, but the PSQI-K indicated improved sleep quality during the second intervention. An 8-h TRE, without calorie restriction or diet composition changes, proves more beneficial for weight management and plasma glucose control compared to the 14-h EXE among Korean women. Implementation of this approach is recommended to be gradual to mitigate psychological fluctuations and adverse blood pressure changes. The trial was registered with ClinicalTrials.gov (ID: NCT05964179) and Clinical Research Information Service (CRIS, Korea) (ID: KCT0008640).

◆ 원문 정보
저자: Tan LJ, Shin S
저널: J Nutr Biochem
연도: 2025
DOI: 10.1016/j.jnutbio.2024.109835

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