Excessive sleepiness: Excessive sleepiness, es, is something all of us can experience if we are either acutely deprived of a significant amount of sleep or more commonly chronically deprived of smaller amounts of sleep. Es can also be a part of medical disorders such as narcolepsy and parkinson's disease. Falling asleep driving is an indicator of quite severe sleepiness. You need sleep and possibly sleep testing.
Answered 1/13/2019
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Lack of sleep: It could be from sleep apnea syndrome, sleep deprivation or other disorders. Get professional evaluation.
Answered 12/16/2012
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