Sleep Behaviors

Learn why newborns cry in their sleep, from normal development to signs of distress, with expert-backed soothing methods and safety tips.

Newborns sleep with their arms up due to the Moro reflex, self-soothing, and natural flexion. Learn why it’s normal, when it’s safe, and what to watch for.

Discover why newborns make grunting, panting, and gurgling sounds in their sleep. Learn which noises are normal and when to call your pediatrician.

Find out the reasons your newborn sleeps with her mouth open. Our guide covers safe fixes, when to worry, and tips for peaceful sleep. Read expert advice now.

Discover why babies twitch in their sleep. Learn the science behind normal myoclonus and how to spot signs that need a doctor’s attention. Read our guide now!

Discover why infants smile during sleep. Learn the science, from spontaneous 1⅓-second smiles in active sleep to the social smiles that develop later.

Find out why your baby grunts in his sleep, when it’s normal, and the specific signs that mean a doctor’s visit. Get the facts from pediatric sources.

Discover why babies sleep with their butt up. Learn how this natural pose aids comfort, digestion, and safety. Get expert tips for your baby’s sleep today!

Babies may prefer stomach sleeping, but it’s dangerous. Learn why they seek it, the 8.7x higher SIDS risk, and how to keep them safe on their back.

Uncover the reasons babies move so much during sleep, from brain growth to reflexes. Get insights on normal activity and when to consult a pediatrician.