Piece of clothing for supporting sleep

A piece of clothing, in particular a bodysuit or overall for infants and young children, made from an elastic material for variably wrapping up and supporting the sleep of an infant or young child, which can be used to cover up at least the torso and at least partially the arms of the body of the infant or young child, comprising:

• a torso section (2) and two sleeve sections (3), wherein the torso section (2) is connected to the sleeve sections (3) and the sleeve sections (3) have at least two regions (4) for variably fixing the arms of the infant or young child, and fastening means (5) for variably wrapping up the infant or young child, wherein the fastening means (5) are at least partially attached in the two regions (4) of the sleeve section (3), so that the piece of clothing (1) can be adapted to the body size and the body shape of the infant or young child in the region of the arms and/or of the torso.