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Biological rhythms, sleep, stress, PTSD
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What are the 3 electrical measurements taken during a sleep study
EEG (Electroencephalogram), EMG (electromyogram), EOG (electro-oculogram) measures eye movements
What waves are in the wakefulness stage
alpha and beta waves
What stage of NREM sleep do theta waves occur
NREM 2, with high amplitude, slow, regular theta waves
What stage of NREM sleep do delta waves occur
NREM Stage 3: the deepest sleep. There are large-amplitude, slow delta waves
How long is each sleep cycle
90 min
