Circadian photobiology · Published on X 2026-10-19
Adults whose wrist sensors logged brighter nights had higher odds of depression and several other psychiatric disorders in a study of 86,772 people. Brighter days went the other way. It's a link, not proof of cause.
Originally published on X. Summary reproduced from the published article.
Human research
Main finding · Burns AC et al., Nature Mental Health 2023 · Observational
Human research
Methods and limits · Burns AC et al., Nature Mental Health 2023 · Observational
Human research
What came after (1) · Windred DP et al., PNAS 2024 · Observational
Human research
What came after (2) · Wallace DA et al., JAMA Network Open 2024 · Observational
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