Fig. 2: Sleep stage power spectral densities. | Nature Communications

Fig. 2: Sleep stage power spectral densities.

From: A dream EEG and mentation database

Fig. 2: Sleep stage power spectral densities.

Left (smaller) panels show the average normalized PSD for the 30-s epochs prior to a report for each database. Not all databases have all the sleep stages. The right panel shows the average of 1462 epochs from the 6 analyzed databases. Colors denote different sleep stages.

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