Galen's new baby is scrunching up her face, breathing irregularly, making little sounds, and moving her eyes rapidly back and forth under closed lids. galen asks you if this means the baby is waking up. from what you know about sleep cycles, your best answer would be

The answer would be: No, the baby is most likely in the REM sleep stage

One of the cycles of sleep called Rapid Eye Movement or REM. In this cycle, the eye is moving constantly and intermittently. The eye movement is not voluntary and the baby is not a sign of waking up. This cycle is important, so the parent should not interrupt it by waking the baby.

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