A Review of Cerebral Hemodynamics During Sleep Using Near-Infrared Spectroscopy.

Front Neurol · 2020 · PMC7710901 · PMID 33329295

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According to the temporal trend of NIRS signals, a decreasing trend in HbO 2 and tHb, and an increasing trend in HHb was visually detected upon transitioning from wakefulness to sleep ( 50 , 51 ).

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