In the 70 years since Eugene Aserinsky discovered REM sleep, it's been tied to dreams and memory consolidation, but largely remains a mystery to sleep scientists. Is it even a thing and do we need it?
published results of their study
on total suppression of REM sleep. For as long as 40 days, they administered the monoamine oxidase inhibitor phenelzine, a type of drug that can completely eliminate REM sleep, to six patients with anxiety and depression. They showed that suppression of REM sleep could improve symptoms of depression, seemingly without impairing the patients' cognitive function. Modern antidepressants, too, can greatly diminish REM sleep, Siegel says.
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