How is caffeine carryover estimated?
It uses caffeine half-life math to estimate the amount likely remaining at bedtime.
Free Wellness Tool
Alcohol + Caffeine Sleep Impact Calculator
Free alcohol and caffeine sleep impact calculator. Estimate bedtime stimulant carryover and sleep disruption risk.
Questions
Does alcohol help sleep quality?
Alcohol may increase sleepiness initially but often fragments sleep later in the night.
Is this estimate personalized medical advice?
No. It is an educational estimate using population averages.