BIT OF SLEEPWEAR is a term used to describe a type of clothing item that is worn while sleeping. The crossword solution for this term is TEDDY, which is a type of one-piece lingerie or nightgown that is usually made of a soft fabric such as silk or satin. It is typically designed with lace or other decorative details and often has an open back or front. The TEDDY is a popular choice for sleepwear due to its comfort and style.