The Moro reflex is a reflex usually present in newborns up to three or four months of age, which may cause babies to hit themselves, or wake themselves up suddenly. It can be caused by loud noise, or sudden movement, or in reaction to a feel of falling (as can also happen in adults as you're drifting off!)
How do I get my baby to stop startling?
How can I keep my infant from getting startled?
- Keep your baby close to your body when laying them down. Keep them close for as long as possible as you lay them down. Gently release your baby only after their back is touching the mattress. ...
- Swaddle your baby. This will make them feel safe and secure.
Why does my baby startle so much?
Moro reflex (startle reflex)
Trigger: While some babies sometimes startle for no apparent reason, usually it's in response to a loud noise, a sudden movement or the sensation of falling (say, when you put your little one down in his bassinet without enough support).