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The Balm of Hurt Minds

A study named “Overanxious and Underslept” done at UC Berkeley and published last month in the journal Nature Human Behaviour found that deep sleep, also known as non-rapid eye movement (NREM) slow wave sleep, calms and resets the anxious brain. This study provides one of the strongest neural links between sleep and anxiety to date - that insufficient sleep amplifies levels of anxiety (up to a 30% rise), and conversely, that deep sleep helps reduce such stress. A series of experiments were done scanning the brains of 18 young adults, as they watched emotionally stirring videos after a full night sleep, and again after a sleepless night. After a full night sleep anxiety levels declined signi