Figure 3 |
Polygraphic recording of REM sleep (20-s epoch). Electroencephalogram (EEG; derivation C3-A2), electromyogram (EMG), electrocardiogram (EKG). The two respiration signals indicate flow (blue) and effort (green). The position of the epoch within the night is indicated by the second pink vertical line in Figure 4. |
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published 2000