Eeg And Sleep Physiology Ppt 'link' -

activity—low-voltage, high-frequency waves (Beta and Alpha) reflecting active processing. As we fall asleep, these signals undergo a fundamental shift toward synchronization

REM is often called "paradoxical sleep" because the EEG pattern closely resembles wakefulness (low-amplitude, high-frequency mixed waves). PubMed Central (PMC) (.gov) Physiology: eeg and sleep physiology ppt