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Psychology

The Impact of Sleep Deprivation on Emotional Regulation

Quick fact

Just one night of complete sleep deprivation can increase amygdala reactivity to emotional stimuli by up to 60%, making a neutral face appear threatening.

Why this is interesting

Have you ever snapped at a friend after a poor night's sleep, only to regret it moments later? Why does a lack of sleep turn small annoyances into overwhelming frustrations?