Sleep Disorders

25 September 2007

Sleep can be deadly

Both too little and too much sleep can increase the risk of death, says a UK study presented Monday to the British Sleep Society.

0
Both too little and too much sleep can increase the risk of death, says a UK study presented Monday to the British Sleep Society.

University of Warwick researchers studied 10 308 people between 1985 and 1988, and between 1992 and 1993, and found that seven hours of sleep a night was optimal for the average adult, CBC News reported.

People who slept five hours a night had a 1.7-fold increased risk of death from all causes and a two-fold increased risk of cardiovascular-related death. But the study also found that those who slept eight hours a night were more than twice as likely to die as people who slept for seven hours.

Researcher Francesco Cappuccio noted that a lack of sleep has been shown to be a risk factor for weight gain, hypertension and type 2 diabetes, CBC News reported.

"But in contrast to the short sleep-mortality association, it appears that no potential mechanisms by which long sleep could be associated with increased mortality have yet been investigated. Some candidate causes for this include depression, low socio-economic status and cancer-related fatigue," Cappuccio said. – (HealthDayNews)

Read more:
Sleep Centre

September 2007

 

Read Health24’s Comments Policy

Comment on this story
0 comments
Comments have been closed for this article.

Ask the Expert

Sleep disorders expert

Dr Alison Bentley is a general practitioner who has consulted in sleep medicine and sleep disorders, in both adults and children of all ages, for almost 30 years. She also researches and publishes on a number of sleep-related topics both in formal research journals and lay publications including as editor of Sleep Matters, an educational newsletter on sleep disorders for doctors.

Still have a question?

Get free advice from our panel of experts

The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.

* You must accept our condition

Forum Rules