Sometimes I feel like I have a fever and am getting sick, then I realize it's probably just in the 90s and I should open a window. Not great. This is with all

Sometimes I feel like I have a fever and am getting sick, then I realize it's probably just in the 90s and I should open a window. Not great. This is with all my radiators turned off! The heat is on a timer so it's not like this all the time, but I have to wonder what a world where thermostats have been invented would be like.