| http://www.w3.org/ns/prov#value | - It may be difficult for a young adult to stay awake during classes or work.The sleep attacks:Last about 15 minutes eachMay occur several times during a dayUsually happen after eating, but may occur at any time such as while driving, talking to someone, or during other situations where there is little movementSometimes, the person may have dreamlike hallucinations before sleep or during the sleep e
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