You slip into your PJs, pull down the covers, and get ready to curl yourself into bed for a good night of sleep. No matter how hard you try, you end up tossing, turning, counting sheep, and having a hard time getting the fulfilling night of sleep that you know you need. There are a lot of things that can interrupt your sleep-wake cycle and interfere with getting rest. As much as 27 percent of the population has a hard time sleeping, and there are a lot of factors that can be involved. What you may not know is there are certain foods you can eat to have better sleep.