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Baby Behavior

Why Does My Baby Cry in Their Sleep Without Waking Up?

Sleep cycle transitions cause brief crying. Active sleep (REM) includes whimpering and movement. Wait 2-3 minutes before intervening — they may not be awake.

By TeachToddler Editorial Team · · Baby Behavior

What This Guide Covers

Sleep cycle transitions cause brief crying. Active sleep (REM) includes whimpering and movement. Wait 2-3 minutes before intervening — they may not be awake.

  • Read our evidence-based guide on baby cries in sleep.
  • Read our evidence-based guide on baby crying in sleep.
  • Read our evidence-based guide on newborn crying in sleep.
  • Read our evidence-based guide on baby sleep crying not awake.

About TeachToddler

TeachToddler.com provides evidence-based parenting guides reviewed by pediatric specialists. Our baby behavior content is researched, fact-checked, and updated regularly to give parents the most accurate information available.

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