Couchee n. A reception held at the time of going to bed, as by a sovereign or great prince. (Obs.) "The duke's levees and couchees were so crowded that the antechambers were full."
... une moabite, S'etait couchee aux pieds de Booz, le sein nu, Esperant on ne sait quel rayon inconnu, Quand viendrait ... — La Legende des Siecles • Victor Hugo