noun
bedding; sleeping gear
General term for items used for sleeping, such as futons, blankets, and pillows. Often used in contexts like camping, travel, or setting up a sleeping area.
キャンプに行く前に寝道具を準備した。
I prepared the bedding before going camping.
この部屋には寝道具が一式そろっている。
This room has a full set of sleeping gear.
寝具 is a more formal or commercial term for bedding, often used in stores or catalogs. 寝道具 is more casual and may imply portable or outdoor gear.
Compound of 寝 (ne, 'sleep') and 道具 (dōgu, 'tool, equipment'). The reading ねどうぐ follows standard rendaku voicing of 道具.