Why not just wear something that actually stays on at night that is light & airy to provide ample oxygen to the hair and scalp. Your hair recognize oxygen not fabric. This is a great choice for that. A highly adjustable knit hair cap designed to fit your head and loc style with ease and comfort. If you have dreadlocks, locs, or just any hair style this will work perfect for you. No elastic band to create hair line friction. As a loc cap, bonnet for men or women rest assured that your hairline edges will be ok. Use this as a dreadlock cap for sleeping or as a day & night cap. Use this dreadlock sleeping cap as an alternative to satin. Why? Our knit fabric provides plenty oxygen that is necessary to maintain a healthy scalp & hair line, while keeping the moisture locked in. This dreadlock bonnet provides everything you need in a hair covering. It is durable and will last wash after wash. If it stretches out put it in a dryer to return it to a snug fit.