Alcohol and Sleep
Discover how alcohol disrupts sleep by causing unrestorative sedation, sleep fragmentation, and the suppression of REM sleep. Learn how alcohol activates the fight or flight branch of the nervous system, leading to fragmented awakenings throughout the night. Explore how alcohol triggers the release of stress-related chemicals, including cortisol, which can spike during sleep and increase the likelihood of waking up.In this clip
From this podcast

The Matt Walker Podcast
#09: Sleep & Alcohol - Part 2
Related Questions
Why does alcohol disrupt sleep, as discussed in the episode Dr. Matthew Walker: The Science & Practice of Perfecting Your Sleep | Huberman Lab Podcast #31 and the clip Alcohol and Sleep?
How does alcohol disrupt sleep according to the episode Dr. Matthew Walker: The Science & Practice of Perfecting Your Sleep | Huberman Lab Podcast #31 and the clip Alcohol and Sleep?
Why does alcohol disrupt sleep?