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A nightcap improves sleep

Grade B · ModerateHuman reviewed

What people say

Alcohol helps me sleep better because I fall asleep faster.

Comes up 5/5 in community conversations

What the evidence says

Grade B · Moderate

Alcohol can shorten sleep-onset time for some people, but controlled research reports later-night sleep disruption and altered sleep stages. Falling asleep faster is not the same as better sleep.

Verdict: mixed

Research record

What this verdict is based on

Sources are linked for inspection. Study results are summarized for general information, not personal medical direction.

systematic review · participant total not stated

Alcohol and Sleep I: Effects on Normal Sleep

Alcoholism: Clinical and Experimental Research · 2013

Open PubMed record DOI 10.1111/acer.12006