Nightwear also called sleepwear, nightclothes, or nightdress is clothing designed to be worn while sleeping. The style of nightwear worn may vary with the seasons, with warmer styles being worn in colder conditions and vice versa. Some styles or materials are selected to be visually appealing or erotic in addition to their functional purposes. Adult onesie – and other all-in-one footed sleepsuits worn by adults but similar to an infant onesie or children’s blanket sleeper, usually made from cotton, and marketed under a number of different brand names.
Babydoll a short, sometimes sleeveless, loose-fitting nightgown or negligee for women, generally designed to resemble a young girl’s nightgown. Blanket sleeper – a warm sleeping garment for infants and young children. Chemise – when used in reference to sleepwear, it is a delicate, usually provocative, loose-fitting, sleeveless, shirt-like lingerie, similar to babydoll, but tighter at the hips.Negligee – loose, sensuous nightwear for women usually made of sheer or semi-translucent fabrics and trimmed with lace or other fine material, and bows.
Nightcap – a warm cloth cap sometimes worn by women or men with pajamas or a nightgown.Nightgown – loose hanging nightwear for women, typically made from cotton, silk, satin, or nylon.
The Commission’s regulations define the term children’s sleepwear to include any product of wearing apparel (in sizes 0-14), such as nightgowns, pajamas, or similar or related items, such as robes, intended to be worn primarily for sleeping or activities related to sleeping, except: diapers and underwear; infant garments, sized for a child nine months of age or younger; and tight-fitting garments that meet specific maximum dimensions.