The interval between checking a phone for the last time before going to sleep (all age groups vs 16-24 year olds)
Q. At the end of the day, typically how long is the interval between you looking at your phone for the last time and preparing to sleep (not including setting the phone's alarm clock)?
Weighted base: All smartphone owners aged 16-75 years (3,525), 16-24 (601)
Source: UK edition, Deloitte Global Mobile Consumer Survey, May-Jun 2017