. >> for people who do want to sleep on their backs, we brought in montez.if you snore a lot or if you're pregnant, you actually shouldn't be sleeping on your back. so, montez has things to help train you to sleep on your side. >> side, okay. >> if you do want to sleep on your back, just note, a big fluffy pillow and another pillow under your knees can be helpful to help with your back, but if you can't be sleeping on your back, this is what you should be doing. as you can see, montez has a pocket on backwards. so, we're going to put a tennis ball in it. he's also wearing a fanny pack, and you don't have to do both. and this is a really big fanny pack. if you want to sleep on your side and a lot of them have spouses poking them and you want to sleep on your side -- montez, why don't you lay down for a moment. >> that's to prompt him to turn. >> so, i'm guessing that's not comfortable. and it will teach you to go back on your side if you roll over. you can do the same thing with a tennis ball and a fanny pack. >> willie's a stomach sleeper, at least right now