How to stop getting so hot while sleeping<br>Use air conditioning. The simplest way to keep your room cool while you sleep is to use your air conditioner if you have one. Central air or a portable window unit will both do the trick.
An air conditioner can be central air.
( z1 possible :ARG1 ( z2 air-conditioner :mod ( z3 air :mod ( z4 center ) ) ) )