Better Sleep
Diet has a measurable effect on sleep onset, depth and quality. These foods help — and these hurt.
Two kiwis an hour before bed have been shown to improve sleep onset and total sleep time in adults with insomnia.
Contain magnesium and small amounts of melatonin.
Vitamin D + omega-3 combo supports serotonin production, a melatonin precursor.
Large meals within 3 hours of bedtime raise core temperature and delay sleep onset.
Both fragment sleep architecture even when they don't delay onset.
Last reviewed February 2026 against current US sleep medicine guidelines by the Sleep Disorder Symptoms editorial team. This article is educational and is not medical advice — see our medical disclaimer and editorial policy.
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