NIGHT owls are more likely to develop type 2 diabetes than those who pass out early, scientists say.
US researchers found people who stay up all hours and wake up late are at a 19 per cent greater risk.
Author Dr Tianyi Huang, from Brigham and Women’s Hospital, said sleeping patterns are “partly genetically determined so it may be difficult to change”.
“People who think they are ‘night owls’ may need to pay more attention to their lifestyle because their evening chronotype may add increased risk for type 2 diabetes,” he added.
By chronotype, the scientists mean an individual’s natural tendency to seek activity and sleep at different times.