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Friday, October, 23, 2009

Test Of Sleep Cycles And Stages

Health Encyclopedia: Polysomnogram

Definition

A polysomnograph is a test of sleep cycles and stages through the use of continuous recordings of brain waves (EEG), electrical activity of muscles, eye movement (electrooculogram), breathing rate, blood pressure, blood oxygen saturation, and heart rhythm and direct observation of the person during sleep.

There are two states of sleep: non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep. REM sleep is associated with dreaming and paralysis of body muscles ...

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Expert & Community Posts

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Dr. Blaivas Answers Your Questions About Sleep Problems
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...Question: I am 25 years old and have had problems sleeping as long as I can remember. I no... Read more »

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Cycling for Diabetes: Teams Type 1 and 2
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...bodies. Eating well, giving the body lots of hydration, sleep for recovery and a healthy amount... Read more »

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Physical Health Influencing Mental Health
By Kimberly Tyler , Health Expert

...very high. I do need to give myself extra time for sleep (as I am unable to tolerate... Read more »

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Live and on Location From Reality
By John McManamy , Health Expert

...pains, walking around like an old man, and messed up sleep.My disrupted sleep is an invitation... Read more »

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Sleep...What's That?
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...dementia has or will someday experience problems with sleeping.  This blog is dealing with it... Read more »

Health Guide

Chronic Fatigue Syndrome: Causes
...children, who have flipped from hyperactivity to fatigue. Such patients have severe hypersomnolence (sleeping too much, sleeping any time or anywhere). Such patients respond well to... Read more »
Sleep Apnea: Introduction
Sleep apnea is a disorder in which a person stops breathing during the night, perhaps hundreds of times, usually for periods of 10 seconds or longer and sometimes for as long as a minute.... Read more »
Treatment for Congestive Heart Failure
...medications are used to treat overactive thyroid (hyperthyroidism) or underactive thyroid (hypothyroidism).Sleep apnea. Continuous positive airway pressure (CPAP) is an effective treatment for... Read more »
Insomnia: Introduction
Insomnia comes from the Latin words for no sleep. Insomnia is characterized by:Difficulty falling asleepDifficulty staying asleepWaking up too early in the morningSome experts believe... Read more »
Narcolepsy: Introduction
..."seized by numbness". The two primary symptoms in narcolepsy reflect this phrase:Excessive daytime sleepiness, with frequent daily sleep attacks or a need to take several naps during the... Read more »

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