Breathing pauses in babies: causes and warning signs

It's one of those moments that takes a parent's breath away: The baby is lying peacefully in its crib and suddenly forgets to breathe. Perhaps its mouth appears bluish, perhaps its breaths are absent for longer than usual. Immediately, the question pops into your head: Is this still normal or is it already dangerous?

The good news: In many cases, it's a normal phenomenon. But there are also clear warning signs that parents should be aware of.

Periodic breathing – normal, but unusual

In the first few weeks of life, babies' breathing is not as regular as that of adults. Doctors refer to this as periodic breathing: the child takes short pauses of less than 20 seconds before taking another deep breath. This often occurs when falling asleep or after breastfeeding. While this can be alarming for parents, it is a natural part of a baby's development. This pattern usually disappears on its own by the age of six months.

When breathing pauses become critical

Not every pause for breath is harmless. There are clear situations in which parents should pay immediate attention:
• Respiratory pauses lasting longer than 20 seconds
• Repeated and unusually frequent breaks
• Blue lips, face, hands or tongue (not just slightly around the mouth)
• Noticeable accompanying symptoms such as rapid heart rate, severe drowsiness, poor fluid intake, or unusual paleness
Apnea episodes are particularly common in premature infants. Doctors refer to this as "apnea in premature infants," which requires close monitoring because the respiratory center is not yet fully developed.

What lies behind blue lips

Blue lips or skin (medically known as cyanosis) occur when the oxygen content in the blood decreases. However, not every discoloration is dangerous. Often, it is a case of so-called circumoral cyanosis – a bluish discoloration around the mouth, without affecting the rest of the body. This occurs, for example, in cold weather or after exertion and is usually harmless.
It becomes critical if the entire face, hands, or tongue appear bluish. This could indicate a genuine oxygen deficiency requiring immediate medical attention.
Normal oxygen saturation (SpO₂) in babies is between 95% and 100%. Short-term drops are possible, but values ​​below 90% are considered unusual and should be monitored.

Why babies pause to breathe while breastfeeding

Babies can also experience longer pauses in breathing while feeding. They have to suck, swallow, and breathe simultaneously – a complex coordination task. It's perfectly normal for them to take short breaks during this process. However, parents should pay attention if their baby regularly experiences longer pauses in breathing, turns blue, or coughs heavily.

What parents can do

• Observe: How long and how often do breaks occur?
• Create a safe sleeping environment: sleep on your back, no loose blankets or pillows, comfortable room temperature (16–20 °C).
• Have premature babies closely monitored: Always involve the pediatrician or the hospital in case of persistent or unusual pauses in breathing.
• If in doubt, it's better to have it checked by a doctor one time too many.

Smart support from MARY by sticklett

No parent can watch over their baby's crib day and night, and that's precisely where modern technology comes in. MARY by sticklett measures your baby's breathing and temperature directly on their body. If breathing pauses become too long or occur too frequently (e.g., over 20 seconds), MARY sends an alert directly to your smartphone.
This means that parents don't have to constantly wake their baby or measure it themselves, but can sleep peacefully knowing that they will be informed immediately in case of an emergency.

Conclusion
Brief pauses in breathing are a normal part of a baby's development – ​​especially in the first few months. But parents should keep an eye on the duration, frequency, and accompanying symptoms. Pauses lasting longer than 20 seconds, pronounced blue discoloration, or accompanying weakness are warning signs that should not be ignored.
With careful observation, medical consultation and smart support like MARY by sticklett, parents gain more security – and babies gain the peace they need for their healthy development.