Important: This page is educational and not a diagnosis. If your baby has trouble breathing, turns blue/grey, has pauses in breathing with limpness, or seems very unwell, seek urgent medical care.
Why Do Babies Pause Breathing? (Periodic Breathing vs Apnea)
If you’ve ever watched your baby sleep and thought, “Wait… did they just stop breathing?” — you’re not alone.
Many newborns have breathing patterns that look irregular compared to adults. They may breathe quickly for a few seconds, slow down, and even pause briefly before starting again. Most of the time, this is a normal newborn pattern called periodic breathing.
But there are situations where pauses can be a sign of something that needs medical attention — like apnea or breathing distress.
This guide will help you understand:
- what periodic breathing is
- what’s normal (and what’s not)
- red flags to watch for
- what to do next
Quick answer (for tired parents)
✅ Periodic breathing (often normal)
- Brief pauses (usually a few seconds)
- Baby resumes breathing on their own
- No color change
- Baby looks comfortable
🚨 Apnea / concerning pauses
- Longer pauses
- Baby looks distressed
- Color changes (blue/grey around lips/face)
- Limpness, poor feeding, or unusual sleepiness
If you’re unsure, it’s always okay to get checked — especially with newborn breathing.
What is “periodic breathing” in babies?
Periodic breathing is when a baby’s breathing naturally cycles through:
- a few quick breaths
- a few slow breaths
- a brief pause
- then breathing resumes
This pattern is common in young babies because their breathing control systems are still maturing.
It’s most noticeable:
- in the first weeks of life
- during sleep
- when baby is in active (REM-like) sleep
Why do babies pause breathing during sleep?
Here are the most common reasons:
1) Their breathing control is still developing
Newborn brains are still learning how to regulate breathing rhythm smoothly. That’s why breathing can look “start-and-stop” compared to adults.
2) Sleep stage changes (active sleep)
Babies spend a lot of time in active sleep, where breathing can be irregular and noisy. This is also when you might hear grunting or see squirming.
(If your baby is also noisy at night, read:
why newborns grunt while sleeping helpful.)
3) Mild nasal stuffiness
Because babies mostly breathe through the nose, even mild congestion can change airflow and make breathing look uneven.
How long is “normal” for a pause?
Many babies have very brief pauses that are harmless.
What matters more than the exact seconds is:
- Does baby restart breathing easily?
- Do they stay pink?
- Do they look comfortable?
If you’re seeing frequent pauses, it can be helpful to record a short video to show your pediatrician.
Important: If you ever see a pause with color change or baby looks unwell, treat it as urgent.

