A new study has suggested that irregular sleep patterns, such as falling asleep at different times or sleeping for a longer time each night, could increase the likelihood of developing atherosclerosis (hardening of the arteries) in adults over 45.

A new study has suggested that irregular sleep patterns, such as falling asleep at different times or sleeping for a longer time each night, could increase the likelihood of developing atherosclerosis (hardening of the arteries) in adults over 45.