nightclothes

plural plural-only

Clothing worn while sleeping in bed, such as pyjamas or a nightgown, and, when worn over nightclothes, a robe.

Japanese Meaning

就寝時に着用する衣服、具体的にはパジャマ、寝間着、あるいは寝間着の上に羽織るガウンなどを指す。

嵐が窓を揺らす中、彼女は素早く寝間着に着替え、肩にローブをきつく巻きつけた。

Sense（1）

Clothing worn while sleeping in bed, such as pyjamas or a nightgown, and, when worn over nightclothes, a robe.

The disturbance brought out many of the neighbors in their nightclothes.