Story perspectives

Five Daily Servings of Produce Boost Sleep Quality 16%

11/6/2025

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Summary

Story summary

A study by Columbia University and the University of Chicago found that five cups of fruits and vegetables daily may improve sleep quality by up to 16%.
Researchers tracked 34 healthy young adults over 201 days.
Dietary changes could improve sleep in 24 hours because produce's carbohydrates and nutrients help the brain absorb tryptophan, boosting melatonin.
The study notes correlation, not causation.
Future research will examine the underlying biological mechanisms.

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Story summary

A study by Columbia University and the University of Chicago found that five cups of fruits and vegetables daily may improve sleep quality by up to 16%.
Researchers tracked 34 healthy young adults over 201 days.
Dietary changes could improve sleep in 24 hours because produce's carbohydrates and nutrients help the brain absorb tryptophan, boosting melatonin.
The study notes correlation, not causation.
Future research will examine the underlying biological mechanisms.