Performance Nutrition Digest

Performance Nutrition Digest

Caffeine before evening training / competition: does it impair sleep? 😴

Data from a new meta-analysis on athletes.

Tom Coughlin's avatar
Tom Coughlin
Oct 02, 2025
∙ Paid

The Effect of Consuming Caffeine Before Late Afternoon/Evening Training or Competition on Sleep: A Systematic Review with Meta-Analysis

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

Study Details

This new meta-analysis compiled data from 10 studies (128 participants) to establish the effects o…

User's avatar

Continue reading this post for free, courtesy of Tom Coughlin.

Or purchase a paid subscription.
© 2026 Tom Coughlin · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture