www.psychexamreview.com
In this video I describe the effects of sleep deprivation. Sleep is about more than just rest, recovery, and energy conservation and it plays an important role in memory consolidation and integration of our experiences into a coherent sense of self. Sleep deprivation can occur as either chronic sleep deprivation or as acute sleep deprivation. Physical effects include fatigue, dark circles under the eyes, hormone fluctuations, and reduced physical performance. Chronic sleep deprivation is also associated with obesity, likely to due fluctuations in ghrelin, leptin, and cortisol. Cognitive effects of sleep deprivation include impairments in concentration, attention, judgment, memory, coordination, and reaction time.

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Drowsy Driving Facts and Stats
http://drowsydriving.org/about/facts-and-stats/

How Awake Are You? - Driving Reaction Time Test
http://healthysleep.med.harvard.edu/need-sleep/whats-in-it-for-you/how-awake-are-you