Causes of sleep disorders are of many kinds. Sleep disorders can be caused by several factors. Although the causes of sleep disturbance may differ, the end result of all sleep disorders is that the body's natural cycle of waking and daytime sleep is disrupted or exaggerated.
Sleep disturbances causes
Environmental (eg, alcohol use)
Doctor (for example, asthma)
Psychiatric (eg, depression and anxiety disorders)
Physical (eg, ulcers)
The primary or acute insomnia can be caused by stress or life change such as job loss, death of a loved one, or moving, illness, or environmental factors such as noise, light or extreme temperatures.
Chronic insomnia or secondary (insomnia occurs at least three nights a week for a month or more) may be caused by factors such as depression, stress, chronic pain or discomfort during the night.
Other factors causes the sleep disorder that can interfere with sleep include:
Shift work at night: People who work at night often experience sleep disturbances, because they can not sleep when they start to feel sleepy. Their activities run counter to their biological clocks.
Medications: Many medications can interfere with sleep, such as some antidepressants, blood pressure and-the-counter cold medicine.
Aging: Approximately half of all adults over age 65 have some sort of sleep disorder. It is not clear whether it is a normal part of aging or because of medications that older people commonly use.
Genetics: Researchers have found a genetic basis for narcolepsy, a neurological disorder of sleep regulation that affects the control of sleep and wakefulness.
The symptoms of sleep disorders include
Sleepy day nearly every day
Falling asleep while driving
Having trouble paying attention or concentrating at work, school or home
Having trouble controlling their emotions
Having difficulty remembering
Fighting to stay awake when inactive, such as when watching television or reading.
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