Prince lionheart original slumber bear has an authentic womb sounds that have been helping millions of newborns sleep in maternity hospitals and homes worldwide slumber bear39s authentic womb sounds are effective in lulling babies to sleep the sound box has a 5 minute auto shut off timer and a sound and motion sensor that reacts when baby cries each slumber bear plus arrives with its own silkie you can bond with your baby by keeping a silkie close to your skin transferring your