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Psychology Today

Key takeaways from How Sleep Deprivation Impairs Your Mind, Moods, and Memory

We are a sleep-deprived nation. Impaired sleep is reaching epidemic proportions.

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linking chronic sleep deprivation with a variety of physical, mental, and psychological symptoms. These include mood shifts and increased irritability; concentration and attention problems; failures in judgment and executive decision-making; physiological changes, such as impairments in brain function and hormone production, reduced immunity protection from disease, overstimulated appetite and weight gain, higher risk for diabetes, an overactive nervous system, chronic fatigue—even earlier death; and a range of psychiatric disorders, including elevated anxiety, depression, and obsessive-compulsiveness.
loss of just a half-night of shut-eye decreases rapid eye movement (REM) sleep, which is important to memory consolidation, and is linked to reduced activity in a portion of the brain related to emotion control.
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