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Describe insomnia, sleep apnea, and narcolepsy.

Insomnia, sleep apnea, and narcolepsy are three different types of sleep disorders. Insomnia reflects an inability to fall or remain asleep. Sleep apnea reflects a breathing difficulty that disrupts sleep cycles. Narcolepsy is characterized by extreme sleepiness that can cause a person to find it extremely difficult or impossible to remain awake for long periods of time.

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Insomnia reflects an inability to fall or remain asleep. Researchers believe that this problem is caused by a problem in the brain that signals that it must remain awake, either because of a wake drive that functions too aggressively or a sleep drive that is too sluggish. Insomnia can be triggered by a host of medical conditions, including depression, gastrointestinal reflux, body pain, asthma, allergies, anxiety, and endocrine malfunctions. People who suffer from insomnia are first recommended to examine their sleep patterns and the activities they engage in before trying to fall asleep (such as avoiding screen time and dimming lights)...

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