Listen to Schlaf wohl, du Himmelsknabe du online. Schlaf wohl, du Himmelsknabe du is a German language song and is sung by Peter Schreier and Staatskapelle Dresden & Hans-Joachim Rotzsch. Schlaf wohl, du Himmelsknabe du, from the album Festliche Weihnachten in Leipzig, was released in the year 2011. The duration of the song is 2:17. Download German songs online from JioSaavn.