Sleep loss hijacks brain’s activity during learning. Getting only half a night’s sleep, as many medical workers and military personnel often do, hijacks the brain’s ability to unlearn fear-related memories. It might put people at greater risk of conditions such as anxiety and PTSD

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Sleep loss hijacks brain’s activity during learning. Getting only half a night’s sleep, as many medical workers and military personnel often do, hijacks the brain’s ability to unlearn fear-related memories. It might put people at greater risk of conditions such as anxiety and PTSD