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Thoracic Medicine

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Sleep Medicine

Latest News

A recent study has shown that adaptive servoventilation (ASV) may be harmful in heart failure patients with central sleep apnoea. The results indicated a 10% annual risk of cardiovascular death in ASV patients compared with 7.5% in the control group. The overall survival and hospitalisation rate was not different between the groups.

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Researchers find that having sleep apnea while pregnant could make the baby prone to metabolic disease as an adult. The study suggests that reoccurring oxygen deprivation, during pregnancy causes long-term changes in the offspring's liver's ability to maintain blood glucose level.

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Symptoms of depression and insomnia are the strongest predictors of having frequent nightmares, a new study concludes. A nightmare disorder may occur when repeated nightmares cause distress or impairment in social or occupational functioning.

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Navigational brain cells that help sense direction are as electrically active during deep sleep as they are during wake time, scientists have discovered. Such information could be useful in treating navigational problems associated with Alzheimer's disease and other neurological disorders.

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A team of neuropsychologists at Saarland University have shown that even a brief sleep of 45 to 60 minutes can significantly improve retention of learned material in memory

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People exposed to prolonged periods of shortened sleep have significant increases in blood pressure during nighttime hours, researchers report.

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Do I Have A Sleep Disorder?

The Epworth Sleepiness Scale

sleep disorder

The Epworth Sleepiness Scale is a way of finding out how sleepy someone is during the day, and was first devised by Dr Murray Johns in Australia and published in 1991.

It is now used internationally by sleep clinics, research groups and sleep physicians.

Epworth Sleepiness Score (ESS)

Below is the ESS, get a pen and paper and write out your score for each of the questions below. Then add your total score up out of 24.

0 – No chance of falling asleep
1 – Slight chance of falling asleep
2 – Moderate chance of falling asleep
3 – High chance of falling asleep

Sitting and Reading 0 1 2 3
Watching TV 0 1 2 3
Sitting inactive in a public place 0 1 2 3
As a passenger in a car for an hour without a break 0 1 2 3
Lying down in the afternoon when circumstances permit 0 1 2 3
Sitting and talking to someone 0 1 2 3
Sitting quietly after lunch without alcohol 0 1 2 3
 In a car while stopped in traffic for a few minutes 0 1 2 3

If your total score was more than 5, you have mild sleepiness and may not be getting the proper sleep you need.

If your score is 10 or more you should talk to your doctor about how to improve your daytime energy levels and alertness.

Take your score to your doctor and talk about whether you might require a diagnostic sleep study.

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