[header] How to stop getting so hot while sleeping [title] Use air conditioning. [step] 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. 
The ideal sleeping temperature for most people is between 60 and 70 ° f (16 and 21 ° c). [substeps] If you have a programmable thermostat, don't forget to set it so that it automatically adjusts to a warmer temperature just before you wake up in the morning.