Biology · Human V/S Biology
The biology behind your day, with the sources.
Short evidence checks on sleep, energy and the body clock. Every claim links to the study it comes from.
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Does haldi doodh help you sleep?
We looked for a trial of turmeric milk and sleep and found none. So we took the cup apart and checked each ingredient against the studies.
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How long does caffeine stay in your body?
About half the caffeine from a 6 pm cup is still in you at 11 pm. The arithmetic, cup by cup, and what the sleep studies found.