CELL

Light & Circadian

Cell

How sunlight and artificial light set your internal body clock, which in turn governs sleep, hormones, and metabolism. Morning light and darkness at night are two of the simplest, most evidence-backed levers you have.

CELLDevices and Technology

Anchor sources

Where this term connects into the site's own research vocabulary -- the broader evidence set lives in the studies library below.

Light & Circadian(subject)

See the studies on Light & Circadian