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. Author manuscript; available in PMC: 2008 Mar 8.
Published in final edited form as: IEEE Trans Inf Technol Biomed. 2006 Apr;10(2):293–301. doi: 10.1109/TITB.2005.859878

Fig. 8.

Fig. 8

Hypnograms of patient P1. Top: with the classical system, down: with the new system. W: wakefulness, R: REM sleep, S1-S2-S3-S4: stages 1, 2, 3 and 4 (After manual scoring, hypnograms are automatically generated by the software Coherence of Deltamed).