Hypersomnolence is known as excessive daytime sleepiness or prolonged nighttime sleep. It has previously been referred to as hypersomnia.
People suffering with hypersomnolence need to take a nap repeatedly during the day, usually during inappropriate times such as during work, during a meal, or in the middle of a conversation.
Patients usually have a hard time waking from a long sleep and may feel disoriented.
Other symptoms include:
loss of appetite
Some lose the ability to function in family, social, occupational, or other settings. Usually Hypersomnolence typically affects adolescents and young adults.
Specific Diagnostic Criteria for Hypersomnolence
The most known symptom is excessive sleepiness for at least 1 month or at least 3 months as evidenced by either prolonged sleep episodes or daytime sleep episodes that occur at least 3 times per week.
The excessive sleepiness causes clinically significant distress or impairment in social, occupational, or other important areas of functioning.
The excessive sleepiness is not better accounted for by insomnia and does not occur exclusively during the course of another Sleep Disorder (e.g., Narcolepsy, Breathing-Related Sleep Disorder, Circadian Rhythm Sleep Disorder, or a Parasomnia)
It cannot be accounted for by an inadequate amount of sleep.
The disturbance is not due to the direct physiological effects of a substance (e.g., a drug of abuse, a medication) or a general medical condition.
Hypersomnolence can co-occur with another mental or medical disorders, though this condition cannot adequately explain the predominant complaint of hypersomnolence. In other words, the hypersomnolence is significant enough to warrant its own clinical attention and treatment.
It can result from a physical problem, such as a tumor, head trauma, or injury to the central nervous system. Medical conditions including multiple sclerosis, depression, encephalitis, epilepsy, or obesity may also contribute to the disorder.
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