Uploaded June 2026 | Updated September 2026, 2 weeks ago
Caffeine is the most widely used psychoactive substance in the world, and it is deeply embedded in fitness culture. Coffee, pre-workout, and energy drinks are often treated as essential tools for training and performance.
But what does the science actually say?
In this episode of the CrossFit Podcast, host Jocelyn Rylee sits down with sleep scientist and active duty Army neuroscientist Dr. Allison Brager to examine the relationship between caffeine, sleep, recovery, and performance.
For the full breakdown, check out the latest podcast with Dr. Allison Brager and read the article we have for you over on CrossFit.com.
➡️ youtu.be/FnPE0wONUKA
Caffeine is the most widely used psychoactive substance in the world, and it is deeply embedded in fitness culture. Coffee, pre-workout, and energy drinks are often treated as essential tools for training and performance.
But what does the science actually say?
In this episode of the CrossFit Podcast, host Jocelyn Rylee sits down with sleep scientist and active duty Army neuroscientist Dr. Allison Brager to examine the relationship between caffeine, sleep, recovery, and performance.
For the full breakdown, check out the latest podcast with Dr. Allison Brager and read the article we have for you over on CrossFit.com.
➡️ youtu.be/FnPE0wONUKA
![[CFMS SERIES] Rethinking Body Image and Nutrition in CrossFit (EP. 055)](https://i.ytimg.com/vi/q00vnnSqpos/mqdefault.jpg "[CFMS SERIES] Rethinking Body Image and Nutrition in CrossFit (EP. 055)
[CFMS SERIES] Rethinking Body Image and Nutrition in CrossFit (EP. 055)")
