Paul Saladino· MD
One of the important things about falling asleep is sleeping in a cool environment. I'm in Costa Rica, so it's not terribly cold. I don't like to use air conditioning because I hate that recycled air. So, I do have an open air just screen here in my bedroom and I have a fan and then I use a cooling mat on my bed. But I can feel that I will sleep better if I'm in a cool environment and I'm letting my body temperature cool down before I go to sleep.