A full sleep cycle typically lasts around 90-120 minutes and consists of stages 1-4 NREM sleep, followed by REM sleep. A normal night's sleep consists of 3-5 cycles.
(low-voltage, mixed-frequency) despite the body being in a state of muscle atonia. : A typical night includes 4–6 cycles of NREM and REM. Polysomnography (PSG) : Standard PSG montages eeg and sleep physiology ppt
An EEG works by attaching small metal discs called electrodes to the scalp to detect electrical impulses generated by brain cells. A full sleep cycle typically lasts around 90-120