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.
More than ten kinds of air conditioners exist.
( z1 exist :ARG1 ( z2 air-conditioner :mod ( z3 kind :quant ( z4 more-than :op 10 ) ) ) )