The term 'Dress for Bed' can be summarized by the 7-letter solution 'NIGHTIE'. A NIGHTIE is a type of clothing typically worn to bed, usually made of lightweight fabric such as cotton or silk. It is usually loose-fitting and may have short or long sleeves. Nighties are often decorated with lace, ruffles, or other feminine details. They are usually designed to be comfortable and provide warmth during sleep.