Sleep
Alcohol Sleep Onset Paradox
The alcohol sleep onset paradox is quicker sleepiness with worse overall sleep—fast onset but fragmented REM and deep sleep later.
The alcohol sleep onset paradox is faster sleepiness after drinking paired with worse overall sleep—shorter REM, more awakenings, and lighter deep sleep once ethanol metabolizes. You may fall asleep quickly yet wake at 3 a.
m. feeling wired.
Total hours in bed can look fine while architecture stays thin.
Common questions
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If I fall asleep faster, is alcohol helping sleep?
Only the first hour sedates—later cycles fragment. Judge weeks by HRV, grogginess, and efficiency, not how fast you crashed.
Related terms
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