Medical Conditions

My Baby Stopped Breathing and Then Was Fine

Editorially reviewed | Sources: AAP, NIH, Mayo Clinic|Updated June 2026

The short answer

A Brief Resolved Unexplained Event (BRUE) is when a baby suddenly stops breathing, changes color, goes limp, or becomes unresponsive for less than a minute and then returns completely to normal. While terrifying to witness, most BRUEs are isolated events with no underlying serious cause. However, any BRUE requires immediate medical evaluation to ensure your baby is safe.

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By Age

What to expect by age

0-2 months

BRUEs in very young infants are taken most seriously because of the higher risk of underlying causes such as infection, cardiac issues, or non-accidental trauma. If your baby under 2 months has an episode where they stop breathing, change color, or go limp, go to the emergency room immediately. Doctors will likely want to observe your baby and may run tests including bloodwork, ECG, and possibly imaging.

2-6 months

This is the most common age range for BRUE. Many episodes in this age group are classified as "lower risk" if the baby is over 60 days old, was born at term, the episode lasted less than one minute, and no CPR was required. Lower-risk events still need medical evaluation but may not require extensive testing or hospitalization.

6-12 months

BRUEs become less common as babies get older. If your older baby has an episode of color change, limpness, or apparent breathing pause, it still warrants urgent medical evaluation. At this age, doctors will also consider reflux, breath-holding spells, and choking as possible explanations.

12 months+

These events are uncommon in toddlers. Breath-holding spells, which are a separate and benign condition, become more common at this age and can look similar. If your toddler has an episode of unresponsiveness or color change, seek immediate medical attention to determine the cause.

What Should You Do?

When to take action

Probably normal when...
  • Your baby occasionally pauses breathing for a few seconds during sleep and then resumes on their own — this is called periodic breathing and is normal in newborns
  • Your baby briefly chokes or gags during feeding and recovers quickly with a normal color
  • Your baby has a brief startle response or tremor during sleep
Mention at your next visit when...
  • Your baby had an episode where they changed color, went limp, or seemed to stop breathing but recovered quickly and seems completely normal now
  • You are not sure if what you witnessed was a true breathing pause or normal newborn behavior
  • Your baby has had more than one episode of apparent color change or breathing irregularity
Act now when...
  • Your baby stopped breathing, turned blue or pale, went limp, or became unresponsive — call 911 or go to the emergency room immediately, even if your baby seems fine now
  • You needed to stimulate your baby vigorously or perform CPR to get them to respond
  • The episode lasted more than one minute or your baby has not returned completely to their normal state

Sources

Trust your instincts. If something feels wrong, reach out to your pediatrician.

Worrying about your baby means you care. That is a good thing.

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Adenoid Hypertrophy and Breathing

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How to Advocate for Your Child's Needs

You know your child better than anyone, and your observations matter. If you feel something is not right with your child's development or health, you have every right to ask questions, request evaluations, and seek second opinions. Advocating for your child is not being difficult - it is being a good parent.

Air Quality and Baby Health

Babies and young children are more vulnerable to air pollution than adults because they breathe faster, their lungs are still developing, and they spend more time close to the ground where some pollutants concentrate. The EPA recommends keeping babies indoors when the Air Quality Index (AQI) exceeds 100 (orange level). During wildfire smoke events, keep windows closed, use air purifiers with HEPA filters, and monitor your child for coughing, wheezing, or difficulty breathing. Long-term exposure to air pollution can affect lung development.

Altitude Sickness in Babies

Babies and toddlers can experience altitude sickness when traveling above 5,000-8,000 feet (1,500-2,500 meters). Symptoms are harder to recognize in infants because they cannot describe how they feel. Watch for unusual fussiness, poor feeding, disrupted sleep, vomiting, and fast breathing. Gradual ascent is the best prevention. Most pediatricians recommend avoiding sleeping at very high altitudes (above 8,000 feet) with infants when possible, and descending immediately if symptoms appear.