添そい寝ね

noun, noun or participle which takes 'suru', intransitive verb

sleeping together; sharing a bed

Refers to sleeping next to someone, often a parent with a child, or a couple. Can be used as a noun or with する.

• 子こどもが小ちいさいうちは、添そい寝ねをする親おやも多おおい。

  Many parents sleep with their children while they are small.

• 添そい寝ねの習しゅう慣かんは国くにによって違ちがう。

  The custom of co-sleeping differs from country to country.