A newborn sleeps up to 18 hours in a 24-hour period, with no circadian rhythm to distinguish night from day.
A newborn sleeps up to 18 hours in a 24-hour period, with no circadian rhythm to distinguish night from day. At birth, your baby’s movements are driven by automatic reflexes, and vision is limited. Crying and fussiness will peak around month two, but by three months, emerging rhythms bring more stability, as well as exciting new capabilities from improved vision and stronger motor skills.