[header] How to sleep longer (for kids and teens ) [title] Set a cool room temperature. [step] When you fall asleep, your body temperature naturally cools. In order to facilitate this process and help you fall asleep, keep your room at a relatively cool temperature. 
For example, your room temperature should be between 60 and 67 degrees fahrenheit (15-20 degrees celsius), while sleeping. If your parents won't change the temperature of the entire house, you may want to use a fan in your room.