Is it normal for a newborn to sleep with their mouth open?

Newborns (0–3 Months)
1

Seeing a newborn sleep with their mouth open can be unsettling for many new parents. It often leads to worries about whether this is typical behavior or if it indicates a possible health issue. Concerns might arise regarding their breathing or overall comfort.

There are several reasons why a baby might sleep this way. Some infants may simply favor this position, while others might be dealing with mild congestion or other minor ailments. It would be great to hear from those who have faced a similar situation. Did you find that it resolved on its own, or did you reach out to your pediatrician?

What strategies have you used to create a calming sleep environment while keeping an eye on this? Any tips would be appreciated!

2

I noticed my baby sleeping with her mouth open too, and it freaked me out at first! I found that elevating her mattress a bit helped with some congestion. Also, just having a humidifier running seemed to make a difference. Definitely worth mentioning to your pediatrician if it continues, though!

3

I’ve seen my baby sleep with their mouth open, and it freaked me out at first too. But I found that using a humidifier helped with any congestion, and it seemed to make them more comfortable. Definitely worth chatting with your pediatrician if it continues, though!