When can my baby use BABYBJÖRN Cradle? Emily M. May 11, 2022 18:12 The Cradle can be used by a newborn baby until he or she can sit unaided (approximately 6 months) or weights 18 lbs/8 kg. Related articles What is special about BABYBJÖRN Cradle? How do I know my baby is safe in BABYBJÖRN Cradle? How do I wash the cradle and mattress? Does the Cradle come with a mattress? How do I use BABYBJÖRN Canopy for Cradle? Comments 0 comments Article is closed for comments.