Submitted by: Submitted by chloet1607
Views: 279
Words: 2043
Pages: 9
Category: Philosophy and Psychology
Date Submitted: 11/14/2012 03:37 PM
These are behavioural or physiological events that occur during sleep.
These are problems with the amount, quality or timing of sleep.
Dysomniacs
Parasomnias
2 general categories of sleep disorders:
They include insomnia and narcolepsy, and often produce daytime tiredness that affects daily activities
Examples include sleep walking and nightmares. Parasomnias are rarely associated with daytime sleepiness
Disorders of Sleep
Sleepwalking
Insomnia
Narcolepsy
Initial insomnia – difficulty getting to sleep
Middle insomnia – waking up in the night
Terminal insomnia – waking up too early
Symptoms are similar to those of sleep deprivation: tiredness, fatigue, inability to concentrate, irritability etc.
A difficulty getting to sleep or staying asleep for long enough to feel refreshed in the morning, despite having enough time for sleep.
What is it?
Many causes of insomnia for external factors such as excessive noise or uncomfortable temperatures, to medications and substance abuse and psychological problems such as depression or anxiety
Insomnia
Primary Insomnia
Sleep problems Not associated with other health conditions (just bad sleeping habits)
Secondary Insomnia
Certain neurological disorders such as epilepsy, brain tumours and Parkinson’s disease can cause insomnia
Sleep problems due to other illness (i.e. cancer, depression, asthma, heartburn, alcohol, substance abuse)
Cardwell et al (2009)
Research supports the idea that Primary insomnia may have a genetic basis
They conducted a study using neurological imaging (brain scanning) during NREM sleep and found clear evidence for physiological abnormalities in insomniacs
Using clinical interview, questionnaires (on family history of insomnia) and a full range of physiological sleep recordings (e.g. EEG [brain waves] EOG [eye movement] EMG [muscle movement])
Smith et al (2002)
9 female patients (5 insomniacs and 4 ‘normal’ controls) were...