A study in the journal Nature Human Behavior found that sleeplessness increases activity in the brain's deeper emotional centers, which can lead to increased anxiety, while lack of sleep also dampens part of the brain that helps regulate anxiety levels. Researchers said a single night without sleep can increase anxiety levels by up to 30%, but they noted that deep sleep is restorative and can help decrease anxiety.
Study: Sleeplessness may increase anxiety by up to 30%
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