Sleep-Wake Disorders Flashcards
What are the 2 major characteristics of sleep-wake disorders?
Dyssomnias
Parasomnias
Involve difficulties in getting enough sleep, problems with sleeping when you want to and complaints about the quality of sleep, such as not feeling refreshed even though you have slept the whole night.
Dyssomnias
Abnormal behavior or physiological events that occur during sleep such as nightmares and sleepwalking.
Parasomnias
Comprehensive picture of a person’s sleep can be determined.
Polysomnographic evaluation
Leg movements and brain wave activity are measured.
Electroencephalogram
Eye movements are measured.
Electroculogram
Muscle movements are measured.
Electromyogram
Heart activity is being measured.
Electrocardiogram
An alternative comprehensive assessment that uses a wristwatch-seize device. It records the number of arm movements.
Actigraph
The percentage of time actually spent asleep. It is calculated by dividing the amount of time sleeping by the amount of time in bed.
Sleep efficiency
One of the most common sleep-wake disorders. They have trouble falling asleep at night, difficulty maintaining sleep and having nonrestorative sleep.
Insomnia Disorder
The sleep difficulty in insomnia occurs atleast _ per week and present for atleast how long?
3 nights per week
3 months
A degenerative brain disorder where a total lack of sleep eventually leads to death.
Fatal familial insomnia
Symptoms last atleast 1 month but less than 3 months.
Episodic
Symptoms last 3 months or longer.
Persistent
Two (or more) episodes within the space of 1 year.
Recurrent
Disorder that involves sleeping too much. Self reported excessive sleepiness despite a main sleep period lasting atleast 3 times per week, for atleast 3 months. They may sleep through the night but still complain of being excessively tired throughout the day.
Hypersomnolence Disorders
Hypersomnolence Disorders duration of less than 1 month.
Acute
Hypersomnolence Disorders duration of 1-3 months.
Subacute
Hypersomnolence Disorders duration of more than 3 months.
Persistent
Severity of hypersomnolence disorders if they are having difficulty maintaining daytime alertness 1-2 days/week;
3-4 days/week
5-7 days/week.
Mild
Moderate
Severe
Difficulty breathing at night. They often snore loudly, pause between breaths and wake in the morning with a dry mouth and headache.
Sleep apnea
In addition to daytime sleepiness, people with this disorder also experience cataplexy, sleep paralysis and hypnogogic hallucinations.
Narcolepsy
A sudden loss of muscle tone. Occurs while the person is awake and can range from slight weakness in the facial muscles to complete physical collapse. Usually preceded by strong emotions and lasts from several seconds to several minutes. Appears to result from a sudden onset of REM sleep.
Cataplexy
The brief period after awakening when they cannot move or speak that is often frightening to those who go through it.
Sleep Paralysis.