bedwear

noun

1. (uncountable)Clothing that is suitable be worn in bed.

   “In the schoolroom she would sit alone in a loving glow as frail clouds of wool grew through her clever fingers into wraps and misty bedwear for Lady Grizel's birthday or Christmas presents.”

   “Better to be thought chronically shy than to have landladies with duplicate keys sneaking in at night in their bedwear.”

   “She appeared to be wearing a laced white nightgown as the hour of the evening was growing late, with an overcoat over to hide her bedwear.”