pf2e.fyi
From Pathfinder Lost Omens Gods & Magic, which isn't enabled.

Cayden Cailean - Minor Boon

BOON

Cayden Cailean helps you recover from nights of carousing.

While you still get drunk and otherwise experience the effects of alcohol normally, you are never hung over the next morning.

Pathfinder Lost Omens Gods & MagicOGL