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Sleep

Alcohol and REM Sleep

Alcohol and REM sleep: evening drinks sedate onset but cut REM and fragment late-night rest. Even modest intake hurts recovery metrics for many people.

Alcohol and REM sleep have an inverse relationship: a nightcap sedates you faster but suppresses REM and fragments the second half of the night—HRV and recovery scores often dip even when total hours look okay. One to two drinks matter; more worsens snoring and heat flush.

Common questions

  • How long before bed should you stop alcohol?

    Three to four hours minimum helps many people; sensitive sleepers benefit from earlier cutoffs or alcohol-free nights before hard training.

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