Meaning and Usage
寝間着 (ねまき) refers specifically to clothes worn for sleeping, commonly known as pajamas or sleepwear. It is a somewhat formal or literary term compared to パジャマ, which is more casual and widely used in everyday conversation.
Common Contexts
You will often hear 寝間着 used in contexts related to changing clothes before bed, describing what someone wears at home during the night, or discussing comfort and warmth during sleep.
Collocations and Patterns
- 寝間着に着替える: to change into pajamas
- 寝間着のまま: while still in pajamas
- 厚手の寝間着: thick pajamas (for cold weather)
Register and Nuance
寝間着 is polite and can appear in written or formal spoken Japanese, such as in health advice or product descriptions. In casual speech, パジャマ is more common.
Learner Tips
Avoid confusing 寝間着 with 部屋着 (へやぎ, loungewear) which is for wearing around the house but not necessarily for sleeping. 寝間着 specifically implies clothing intended for sleep.