Researchers believe that these earliest smiles represent the pleasure of the baby recognizing an object (such as Mommy or Daddy). By two months, infants begin to develop the smile that communicates their emotional experience of pleasure and contentment. A baby smiling in their sleep is a completely normal reaction and an expected part of their development. If your child frequently smiles in their sleep, it could mean nothing more than a reflex reaction, or perhaps they are merely replaying a happy memory from earlier in the day.
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Friday, June 27, 2025