#nightclothes__nightwear  garments designed to be worn in bed
  supertype:  article_of_clothing__clothing__clothes__clothe__apparel__wearing_apparel__wearingapparel__wear  covering designed to be worn on a person's body
  subtype:  nightgown  nightshirt  pj's
  part:  nightcap.cap  a cloth cap worn in bed

No statement uses or specializes nightclothes; click here to add one.