Posts Tagged ‘Anxiety or stress’

Sleep disorders

Tuesday, April 20th, 2010


Sleep disorders involve any difficulties related to the fact sleeping, including difficulty falling asleep or staying asleep, falling asleep at inappropriate times, excessive total sleep time or abnormal behaviors associated with sleep.

Causes and risk factors:
There are more than a hundred different disorders of sleeping and waking which can be grouped into four main categories, namely:

* Problems falling asleep and staying asleep
* Trouble staying awake
* Trouble keeping a regular sleep schedule
* Sleep-disruptive behaviors

Trouble falling and staying asleep

The insomnia includes any combination of difficulty falling asleep, staying asleep, intermittent wakefulness and early-morning awakening. The episodes may come and go (passengers), lasting 2 to 3 weeks (short term) or be long lasting (chronic).

Common factors associated with insomnia include:

* Physical illness
* Depression
* Anxiety or stress
* Sleeping environment such as excessive noise or light
* Caffeine
* Consumption of alcohol and other drugs
* Use of certain medications
* Excessive smoking
* Physical discomfort
* Daytime napping
* Counterproductive sleep habits:
o bed early
o spend much time in bed awake

Disorders include:

* Psychophysiological insomnia (learned insomnia)
* Phase syndrome Delayed sleep where the patient’s internal clock is constantly out of sync with the phases of day / night “accepted”, for example, patients feel better if they can sleep from 4 am to noon.
* Disorder Hypnotic-dependent sleep: insomnia that occurs when you stop or become tolerant to certain types of sleep.
* Disorder stimulant dependent sleep: insomnia that occurs when a suspended or become dependent on certain types of stimulants.


Disorders of excessive sleepiness are called hypersomnia They include, among others:

* Idiopathic hypersomnia (excessive sleepiness that occurs without an identifiable cause)
* Narcolepsy
* Sleep Apnea Obstructive and central
* Movement Disorders periodic limb
* Restless Legs Syndrome

Trouble keeping a regular sleep schedule

Problems may also occur when a schedule is not maintained consistent sleep and waking, which occurs when traveling between times zones and with shift workers on rotating schedules, particularly those who work at night.

The sleep disruption disorders include:

* Sleep-wake syndrome irregular
* Jet lag syndrome
* Naturally short sleeper (the person sleeps less hours than normal but suffers no ill effects)
* Paradoxical sleep (the person actually sleeps a different amount than they think they do)
* Sleep disturbance because of shift work

Disruptive behaviors DREAM

The Abnormal behaviors during sleep are called parasomnias and are fairly common in children. These include:

* Night terrors
* Somnambulism
* Behavior disorder REM sleep (a type of psychosis related to lack of REM sleep and lack of dreaming)

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