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Manipulation of Rhythmic Food Intake in Mice Using a Custom-Made Feeding System

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Effect of Time-Restricted Eating on Sleep Quality and Body Composition: A Systematic Review.

Bianca A de Sousa¹, Amanda C Q Silva¹, Maria Luísa A Ferreira¹

¹Faculty of Health Sciences, Department of Nutrition, Federal University of Lavras, Lavras, Minas Gerais 37200-900, Brazil.

Nutrition Reviews

|April 21, 2025

Summary

Time-restricted eating (TRE) effectively reduces weight and fat mass. However, current research shows limited impact on sleep quality, highlighting a need for standardized sleep measurement in future studies.

Keywords:

body composition intermittent fasting sleep time restricted eating

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Area of Science:

Nutritional Science
Metabolic Health
Sleep Medicine

Background:

Time-restricted eating (TRE) is a dietary strategy involving consolidated daily energy intake.
TRE is explored as an alternative for weight management and potential sleep quality improvement.

Purpose of the Study:

To systematically review the existing literature on the effects of TRE on sleep quality and body composition in adults.
To synthesize findings from interventional studies assessing TRE's impact on physiological parameters.

Main Methods:

A comprehensive literature search was conducted across PubMed, Scopus, Web of Science, and Bireme databases up to May 2024.
Eleven studies meeting inclusion criteria (adults, controlled feeding times, validated body composition and sleep assessments) were analyzed.

Main Results:

All included studies reported weight loss, and nine demonstrated reductions in fat mass, including visceral fat.
No objective improvements in sleep duration were observed across studies.
One study reported subjective decreases in sleep duration and efficiency, with increased sleep latency in the TRE group.

Conclusions:

TRE appears effective for weight loss and fat mass reduction.
Current evidence suggests TRE does not significantly impact objective sleep parameters.
A lack of standardized sleep measurement methods necessitates further research with objective assessments.