The key to a good night's sleep on a summer night is to naturally lower your body temperature. When it is hot, it is easy to think that sleeping in the shape of a large letter with your arms and legs wide apart would be the coolest, but experts have different opinions. pixabay It's difficult to fall asleep on hot summer nights, and even if you do fall asleep, it's easy to keep waking up. When I leave the air conditioner on all the time, I worry about the electricity bill, and when I turn on the fan, the noise becomes annoying. Even if you entrust yourself to cold bedding...