Performance Nutrition Digest

Performance Nutrition Digest

The best time to seek sunlight to support sleep ☀️

A key component of regulating circadian rhythm.

Tom Coughlin's avatar
Tom Coughlin
Oct 19, 2025
∙ Paid

The role of sunlight in sleep regulation: analysis of morning, evening and late exposure

Thanks for reading Performance Nutrition Digest! Subscribe for free to receive new posts and support my work.

Study Details

This new cross-sectional study analysed sunlight exposure in over 1,700 participants across three distinct periods…

1️⃣ Before 10:00

2️⃣ 10:00 - 15…

Keep reading with a 7-day free trial

Subscribe to Performance Nutrition Digest to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Tom Coughlin
Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture