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1.
Problem sleepiness may be associated with difficulty concentrating, memory lapses, loss of energy and fatigue.
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2.
Problem sleepiness can be deadly.
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3.
The body adjusts quickly to different sleep schedules.
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4.
People need less sleep as they grow older.
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5.
Sleep is a highly organized sequence of events that follows a regular, cyclic program each night.
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6.
Sleep patterns change during an individual’s life.
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7.
Newborns sleep an average of 16 to 18 hours per day.
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8.
Biological clocks exist in a wide range of organisms.
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9.
During an average night’s sleep, about two hours are spent dreaming.
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10.
REM stands for Rapid Eye Movement.
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11.
Animal studies have demonstrated that sleep is essential for survival.
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12.
The most common sleep disorder is insomnia.
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13.
Obstructive sleep apnea is a potentially life-threatening disorder in which breathing is interrupted during sleep.
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14.
Restless legs syndrome is a neurologic movement disorder often associated with sleep.
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15.
The main characteristic of narcolepsy is excessive and overwhelming daytime sleepiness.
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16.
Sleep walking, sleep talking, and sleep terrors are more common in children than adults.
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