A hypnogram is a graph that represents the stages of sleep found during polysomnography as a function of time. It was developed as an easy way to present the recordings of the brain wave activity from an electroencephalogram (EEG) during a period of sleep.
A hypnogram is a graph that represents the stages of sleep found during polysomnography as a function of time. It was developed as an easy way to present the recordings of the brain wave activity from an electroencephalogram (EEG) during a period of sleep.
Source: Wikipedia "Hypnogram" · CC BY-SA 4.0
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