Tag biphasic sleep

Sleep Hygiene

Segmented Sleep vs Biphasic Napping: What History and Research Say About Anxiety and Night Waking

Illustration comparing segmented night sleep with an afternoon nap

Segmented sleep vs biphasic napping: what history and research really show, what naps can and cannot do, and the best-supported help for anxious night waking.

Sarah
November 7, 2025

Sleep Hygiene

Biphasic Sleep: What It Is, What Research Shows, and How to Try It

Biphasic sleep explained: siesta and segmented schedules, what studies show about naps, blood sugar and heart health, and how to try it safely.

Sarah
August 5, 2024
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