 Sleep in a cold, dark room. Number two, do not use your bedroom for watching television or doing work. And finally, at number three, avoid exercising and eating heavy foods late at night. And I know, I know, I know, I know, I get it. Daily life gets busy from time to time, and we all have a tendency to neglect our rest once in a while. But you have to remember this. Sleep is very important. I'm going to say it again. Sleep is very important.