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Disorders of sleep…read more

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People with insomnia have difficulty falling asleep,
difficulty staying asleep or both.
They may feel sleepy and irritable during the day, with
impaired concentration which can affect their daily
lives and relationships.
Insomnia may be acute, lasting for a few nights, or
chronic, lasting for weeks, months or years.
Research has suggested that about 10% of adults may
suffer from chronic insomnia.
There are two different types of insomnia, primary and
secondary insomnia.…read more

Slide 3

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Primary insomnia
Primary insomnia is insomnia that isn't linked to any
existing physical or psychological conditions.
It may be cause by stimulants, such as caffeine and
nicotine, increasing arousal. This can lead to a vicious
circle of frustration and anxiety.
It may also be caused by disruptions circadian rhythm.
Jet-lag, shift work and sleeping at irregular times may
all disrupt sleep patterns and lead to insomnia.…read more

Slide 4

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Secondary insomnia
Secondary insomnia is the result of existing physical or psychological
Physical complaints such as arthritis, diabetes and asthma can cause
Psychological conditions such as depression can also cause insomnia.
Stress and anxiety may cause insomnia because of the higher bodily
arousal. Failure to get to sleep can cause frustration, which increases
anxiety, making it harder to get to sleep and producing a vicious circle.
Medications may have side effects that cause disruptions to sleep. Also
medications that are taken to improve sleep may cause problems if their
effects are too long lasting(leaving the person sleepy the next day) or if the
effects wear off too early. Some people may become dependent on sleeping
pills and suffer even worse insomnia if they stop taking them.…read more

Slide 5

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Insomnia can be influenced by many factors
Sleep Apnoea is a condition where a person's airways become
temporarily blocked whilst they are sleeping, causing their
breathing to be interrupted This disrupts their sleep pattern-
either causing a person to wake up or to move into a lighter
stage of sleep. Sleep apnoea is linked to snoring and may be
caused by various abnormalities in brain or respiratory
Personality traits such as being overly sensitive, worrying,
having a very serious attitude to life issues and being overly
dependent on other people can lead to insomnia.
Depression and anxiety increases emotional arousal which may
then increase physiological arousal, causing insomnia.…read more

Slide 6

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Research into insomnia is difficult as there are
many variables that can cause or influence the
condition. This problem is compounded by the fact
that some of the variables are hard to control.
Much of the research that's been done has
produced correlational evidence rather than
showing a clear cause and effect.…read more

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