Key points from article :
People who had 1 or 2 afternoon naps a week were less likely to have a heart attack or stroke.
Study was done in Switzerland and included 3462 swiss adults.
Researchers from the University Hospital of Lausanne followed the study participants for 5.3 years.
Results showed that people who napped once or twice a week had a 48% lower risk of heart attack or stroke.
Study was published in the peer-reviewed medical journal Heart.