Longer hours and increasing workloads means that the average weekend lasts just 39 hours and 42 minutes - rather than the full 64 hours - according to new research by female friendly insurer Sheilas' Wheels.

Researchers found employees do not relax and unwind from the office until the early hours of Saturday morning (1.48am) and start worrying about the week ahead from 5.30pm on Sunday. More than a quarter of Brits (29 per cent) surveyed claiming to never switch off from work at all.