Effects of REM sleep during a daytime nap on emotional perception in individuals with and without depression

It has been theoretically proposed that alteration in sleep physiology may contribute to the development of biased emotional processing featured in depression. The current study investigated the role of sleep and especially REM in modulating perception of emotional faces in depressed versus non-depressed individuals using a napping paradigm. Forty-six individuals with major depressive disorder and 66 age- and education-matched healthy controls...