Babies newly born is very soft cranial bone still has not developed. Brachycephaly It is given in these babies when for example by the position of the baby to sleep the skull is flattened by the part back since this is not yet strong enough. Isn't something record since you can correct shifted to the baby's position while sleeping.
Medical term of Greek etymology: brachys bracheia brachu: short, short, small and kephale kephales: head: small head. Cranial deformity consistent in a longitudinal head flattening of the newborn that it affects primarily the occipital part of the skull may as a consequence of sleep always mouth up, when the skull is still not closed in Fontanelle.