Breathing Rate During Sleep: How Many Breaths Per Minute?

Normal respiratory rate during sleep for healthy adults:

• NREM (stages N1–N3): 12–16 breaths/min, regular, slightly lower than wakefulness.
• REM: 15–25 breaths/min, irregular (variable tidal volume, occasional central apneas ≤10 sec).

Influencing Factors

• Age: Infants 30–60; children 20–30; elderly may have higher baseline.
• Medical conditions: Heart failure, COPD, obesity hypoventilation, neuromuscular disease alter rate/pattern.
• Medications: Opioids, benzodiazepines, gabapentinoids depress respiratory drive.
• Altitude: Periodic breathing (Cheyne-Stokes) common >2500 m.

When to Be Concerned

Consistently <8 or >30 breaths/min, gasping, long pauses (>10 sec), snoring with witnessed apneas → evaluate for sleep-disordered breathing (OSA, CSA).

Key Takeaway

Sleep breathing rate varies by stage and individual. Persistent abnormalities warrant sleep study evaluation.