These Deep Sleep hoodies are super easy to use. Just put them on whenever you want to feel comfortable. For zip-up hoodies, simply zip them up and you're good to go. Pullover hoodies are even simpler - just pull them over your head. When it comes to cleaning, make sure to wash them in cold water, inside out, with clothes of the same color. Only use non-chlorine bleach if needed. After washing, it's best to hang them to dry, but you can also use the tumble dryer on a cool or low heat setting. Don't use fabric softener because it can make the colors fade. And remember, don't iron or dry clean these hoodies to keep them in good condition.