Yes it can.: Yes, sleep deprivation can cause both irritability and mild euphoria. Studies show decreased sleep increases the amount of Dopamine in the brain, promoting an amphetamine like response. This wakefulness comes with a decrease in the brain's processing ability. Sleep loss is also associated with increased appetite, risk of stroke, and heart disease.
Answered 6/25/2014
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Yes: Everyone needs at least 7 hrs of sleep, less may affect your health.
Answered 10/3/2016
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