variables:
	{zmeczenie.%player%} = false

on bed enter:
	set {zmeczenie.%player%} to false

on bed leave:
	wait 20 real minutes
	set {zmeczenie.%player%} to true

if {zmeczenie.%player% is true:
	apply nausea 1 to the player for 20 minutes
	apply blindness 1 to the player for 20 minutes