What is another word for sleeping suit?
Pronunciation: [slˈiːpɪŋ sˈuːt] (IPA) 
When it comes to nighttime attire, there are plenty of synonyms to describe what one might wear to bed. A "sleeping suit" is just one option. Other similar terms might include "pajamas," "jammies," or "nightwear." For those who prefer something a bit more elegant, "nightgown" or "nightdress" might be appropriate. Additionally, "onesie" or "footie pyjamas" could be used to describe a one-piece, full coverage sleeping garment. No matter what term you use, the ultimate goal is comfort and relaxation while catching some necessary shuteye.
