In which stage of sleep does the brain show electrical activity similar to wakefulness on EEG tracings?

Name: In which stage of sleep does the brain show electrical activity similar to wakefulness on EEG tracings?
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During rapid eye movement (REM) sleep, the brain is active and dreaming almost always occurs. EEG tracings demonstrate low-voltage, random, fast waveforms that are very similar to the brain wave activity seen when adults are awake.

In Which Stage of Sleep Does the Brain Show Electrical