Moderate interactionModerate

Melatonin and Alcohol: interaction, severity and spacing

Melatonin and Alcohol interact because both are central nervous system depressants; combined they impair reaction time and coordination more than either alone. Take them with care. Moderate risk.

Last reviewed: 2026-09-20Reviewed by: StackingRight clinical review

The interaction in detail

Summary of the Melatonin and Alcohol interaction
PairMelatonin and Alcohol
TypeFood interaction
SeverityModerate
Required spacingNone specified
OnsetAt the time of dosing

Mechanism

Both are central nervous system depressants; combined they impair reaction time and coordination more than either alone.

What to do

Do not take melatonin with alcohol.

How to fit both into one day

Melatonin
pre-bedempty stomach

Melatonin is a circadian signal, not a sedative. Take 30-60 minutes before your target bedtime and keep the dose low.

Putting Melatonin in the pre-bed and Alcohol in the evening satisfies the 0-hour separation without disrupting either one's absorption window.

Melatonin and Alcohol: common questions