Meradorm

Meradorm is a type of painkiller in Pathologic. It may be traded for with Boys around town or purchased from medicine stores. Ingesting it increases the player's fatigue, meaning it is most effective if the player intends to sleep after ingesting it. Doing so will increase health-regeneration during sleep.

Upon immediate ingestion, health increases by 3 and exhaustion increases by 25. Each hour of sleep increases health by 7 points and exhaustion decreases by 25.

Quote
"A painkiller (-25e) rather than a sleeping draught. Restores a small amount of health (3s). Good for restoring strength during sleep (5e/ph, 8s/ph). Meradorm has a strong sedative effect and induces sleep even during excruciating pain. The effect lasts for 5 hours."