A–Z Glossary

Wakefulness

Wakefulness is an infant state of higher arousal in which movements, eye behavior, breathing, and responses are more organized.

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Active Sleep vs Awake Behavior in Babies

Active Sleep vs Awake Behavior in Babies

What active sleep means in infancy Active sleep is the infant state broadly analogous to rapid eye movement sleep, although the terminology and physiologic boundaries in newborns are not identical to those in adults. It occupies a large proportion of sleep in early life. During active sleep, the brain remains relatively activated, while the body […]