pf2e.fyi
From Pathfinder #157: Devil at the Dreaming Palace, which isn't enabled.

Knockout Dram

ITEM 7
UNCOMMONALCHEMICALCONSUMABLEINGESTEDPOISON
Price 70 gp
Usage held in 1 hand
Bulk L
Category poison

This soporific chemical comes in liquid form and is virtually undetectable by taste or scent. It's most commonly slipped into a victim's drink to quickly induce a deep unconsciousness.

Activate Interact (Ingested)
Saving Throw DC 23 Fortitude
Onset 1 minute
Maximum Duration 10 hours
Stage 1 fall Unconscious and can't attempt Perception checks to wake up (1 minute)
Stage 2 sleep normally (1d4 hours)
Pathfinder #157: Devil at the Dreaming PalaceOGL