Scientists say this simple diet change can improve sleep fast

Science DailyCenterEN 3 min read 100% complete October 26, 2025 at 03:19 AM

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Researchers from the University of Chicago Medicine and Columbia University found that consuming more fruits and vegetables can lead to better sleep quality within 24 hours. The study involved healthy young adults who logged their daily food intake through an app and wore wrist monitors to track their sleep patterns. Those who ate more fruits, vegetables, and complex carbohydrates like whole grains experienced longer periods of deep, undisturbed sleep. Participants meeting the CDC recommendation of five cups of fruits and vegetables per day saw a 16 percent improvement in sleep quality compared to those eating none. The research highlights diet as a natural and cost-effective approach to improving sleep.

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Columbia University 50% University of Chicago Medicine 60% Esra Tasali 70%

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diet change 90% sleep improvement 85% sleep quality 80% fruits and vegetables 75% diet and sleep interaction 70% restful sleep 65% sleep fragmentation 60% columbia university 50% university of chicago medicine 50% cdc recommendation 45%

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diet change sleep improvement sleep quality fruits and vegetables diet and sleep interaction restful sleep sleep fragmentation columbia university university of chicago medicine cdc recommendation

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