添い寝 そいね Meanings Noun, する verb, Intransitive co-sleeping; sleeping together Kanji 添 accompany. Read as そう. 寝 sleep. Read as ねる. Common phrases 添い寝をする Words containing 添い寝 添い寝フレンド (そいねフレンド) friends who sleep next to each other (without engaging in sexual activities) Jinuma: Japanese Dictionary · Word lists