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The Crossroads of Special Operations

Sunday, April 18, 2021

Stressed to the max? Deep sleep can rewire the anxious brain | Science Daily

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A new study from the University of California, Berkeley has shown that a sleepless and restless night can raise anxiety levels by 30%. The easiest way to calm the brain is through a deep sleep, also known as non-rapid eye movement sleep. Another finding of the study shows that getting an inadequate amount of sleep amplifies anxiety, while deep sleep helps reduce these effects. After a night with little to no sleep, brain scans displayed a shutdown of the medial prefrontal cortex, which typically aids in keeping our anxiety reigned in, and the brain’s deeper emotional centers were more active.

Source: https://www.sciencedaily.com

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How Delta, Rangers, and the Green Berets’ unique training would pay off in an Arctic war with Russia | Business Insider

With military build-ups and encounters in the Arctic between the US and its near-peer competitors Russia and China, the...

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