Sara Mednick, Ph.D., [professor], a cognitive neuroscientist at the University of California, Irvine, and author of The Power of the Downstate: Recharge Your Life Using Your Body’s Own Energy Systems, says that NSDR is a form of guided meditation. “To me, this is just a repackaging and appropriation of every meditation tradition that's existed for hundreds of years,” says Mednick. “It's literally 10 minutes of breathing into your body and becoming aware of your body, which has a long history in meditation. I just find it absurd that the rebranding of it has suddenly become as though it's something novel — because it's truly not.”

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