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Dyssomnias Dyssomnias - Sleep disorders involving disturbances in the
amount, quality, or timing of sleep.
There are five specific types of dyssomnias:
Breathing-related sleep disorder
Circadian rhythm sleep disorder. Insomnia
Insomnia Insomnia - Difficulties falling asleep, remaining asleep, or
achieving restorative sleep.
Primary insomnia - A sleep disorder characterized by
chronic or persistent insomnia not caused by another
psychological or physical disorder or by the effects of drugs
Chronic insomnia lasting a month or longer is often a sign of
an underlying physical problem or a psychological disorder,
such as depression, substance abuse, or physical illness. Types of Sleep Disorders
Hypersomnia The word hypersomnia is derived from the Greek hyper, meaning “over” or “more than normal,” and the Latin somnus, meaning “sleep.”
Hypersomnia A pattern of excessive sleepiness during the day.
The excessive sleepiness (sometimes referred to as “sleep drunkenness”) may take the form of difficulty awakening following a prolonged sleep period (typically 8 to 12 hours). Narcolepsy
Narcolepsy The word narcolepsy derives from the Greek narke, meaning “stupor” and lepsis, meaning “an attack.”
Narcolepsy A sleep disorder characterized by sudden, irresistible episodes of sleep.
They remain asleep for about 15 minutes. The person can be in the midst of a conversation at one moment and slump to the floor fast asleep a moment later.
http://www.youtube.com/watch?v=zVCYdrw1o Breathing-Related Sleep Disorder
Breathing-Related Breathing-related sleep disorder - A sleep disorder in which
sleep is repeatedly disrupted by difficulty with breathing
The subtypes of the disorder are distinguished in terms of the
underlying causes of the breathing problem.
The most common type is obstructive sleep apnea, which
involves repeated episodes of either complete or partial
obstruction of breathing during sleep. Circadian Rhythm Sleep Disorder
Circadian Circadian rhythm sl...
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- Spring '10