CortexLit tool · nutrition basics

Drink-to-Sleep Gap Calculator

Convert a bedtime and an amount into a last-drink time, so the gap is a decision rather than an accident.

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What this is based on

Every output names at least one verified PubMed source.

Ebrahim IO, Shapiro CM, Williams AJ, Fenwick PB. Alcohol and sleep I: effects on normal sleep. Alcohol Clin Exp Res. 2013;37(4):539-549.
PMID 23347102
Critical review of alcohol administration studies in healthy volunteers. · weight 0.5 · Alcohol shortens sleep onset latency and increases slow-wave sleep early in the night, but increases disruption in the second half and suppresses REM.
Thakkar MM, Sharma R, Sahota P. Alcohol disrupts sleep homeostasis. Alcohol. 2015;49(4):299-310.
PMID 25499829
Invited narrative review of alcohol and sleep regulation. · weight 0.5 · Alcohol interferes with sleep homeostatic regulation, contributing to insomnia-like disruption especially as blood alcohol falls during the second half of the night.

Limits: This is a textbook Widmark-style estimate with population-average parameters. Real clearance varies widely with food, genetics, tolerance and liver function, and the estimate is not accurate enough for any legal or driving decision.

Privacy

Inputs stay in this page's memory. There is no telemetry, no analytics call and no network request. The optional share card below is off until you switch it on, is built on your own device, and never includes anything you did not choose to include.

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Related

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