Translation guide
In Japanese, 'pyjamas' is most commonly expressed as パジャマ (pajama), a loanword from English. Traditional Japanese sleepwear like 寝巻き (nemaki) and 浴衣 (yukata) are also used in specific contexts.
Referring to typical two-piece sleepwear or any modern pyjamas.
The most common and neutral word for pyjamas in Japanese. Used for both adult and children's sleepwear.
I bought new pyjamas.
The child changed into pyjamas.
Referring to traditional Japanese garments worn for sleeping, such as a kimono-style robe.
Traditional Japanese sleepwear, typically a loose-fitting robe. Often used in ryokan (Japanese inns).
I wore a nemaki at the ryokan.
A casual cotton kimono often worn after bathing or as sleepwear, especially in summer or at inns. Note: 浴衣 can also be worn outside as casual summer attire.
An alternative kanji spelling for 寝巻き, less common but same meaning.
浴衣で寝る。
I sleep in a yukata.
寝間着に着替える。
I change into a nemaki.