Tagged: REM

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How long is the optimal midday nap?

The National Sleep Foundation recommends 7-9 hours of sleep daily, but for some of us with night shifts or early mornings, 7-9 is difficult to achieve. Instead we recharge our heads and our willpower...

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Sleep deprivation increases brain sensitivity

Busier folks lose a lot of sleep. Consequences include teary eyes, frequent yawning, and inattention during meetings or work. Apparently, not getting enough REM sleep also increases sensitivity to dopamine. Tufic et al. published findings...