Sleep and the brain

2014-09-25 00:00

A NEW study by U.S. and Singaporean scientists shows that too little sleep leads to faster brain ageing, and a greater risk of cognitive decline, which means a greater risk of dementia.

That adds to the already long list of risks linked to sleep deprivation: road and other accidents caused by fatigue, weight gain possibly from a disruption of appetite-regulating hormones ghrelin and leptin, reduced regulation of blood sugar, increased risk of type 2 diabetes, which is epidemic in South Africa, and elevated levels of stress hormones that increase blood pressure.

Clearly, getting enough restful sleep is key to long-term health in body and mind. 

Join the conversation!

24.com encourages commentary submitted via MyNews24. Contributions of 200 words or more will be considered for publication.

We reserve editorial discretion to decide what will be published.
Read our comments policy for guidelines on contributions.

24.com publishes all comments posted on articles provided that they adhere to our Comments Policy. Should you wish to report a comment for editorial review, please do so by clicking the 'Report Comment' button to the right of each comment.

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

Inside News24

 
/News

Book flights

Compare, Book, Fly

Traffic Alerts
There are new stories on the homepage. Click here to see them.
 
English
Afrikaans
isiZulu

Hello 

Create Profile

Creating your profile will enable you to submit photos and stories to get published on News24.


Please provide a username for your profile page:

This username must be unique, cannot be edited and will be used in the URL to your profile page across the entire 24.com network.

Settings

Location Settings

News24 allows you to edit the display of certain components based on a location. If you wish to personalise the page based on your preferences, please select a location for each component and click "Submit" in order for the changes to take affect.




Facebook Sign-In

Hi News addict,

Join the News24 Community to be involved in breaking the news.

Log in with Facebook to comment and personalise news, weather and listings.