Why You Always Wake Up Early After a Night of Drinking

Most people assume correctly that liquor and beer can actually get your eyelids feeling downright leaden, as anyone who's had a taste of alcohol has surely experienced its sleep-promoting qualities. The ethanol in your intoxicant of choice acts as a sedative, and for most people one drink is enough to feel its effects. There's even evidence that capping your intake at one brew, cocktail, or glass of grapes — what most researchers deem a "low dose" of alcohol can actually up your total sleep time, while decreasing the number of instances you wake during the night.

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