Computers and mobile devices are not causing a sleep shortage in adults, according to new research from the University of Sydney.
Using data from the Australian Bureau of Statistics, the researchers found there was no significant change in the sleep duration between 1992 and 2006. This refutes the commonly held view that adults are getting an hour less sleep than a decade ago.
Shorter sleep duration is associated with higher education, income, longer working hours and two or more children in the household. Adults sleep an average of 40 minutes more on weekends, and 12 minutes more in winter than in summer.
Read more at University of Sydney