A new book explores the myth that getting eight hours of shut-eye is how we should be sleeping. Its author, Dr Merijn van de Laar, tells long-term insomniac Zoë Beaty why unlocking how our ancestors s ...

While the average workday is wrapping up at 4:39 p.m. – 36 minutes earlier compared to two years ago – productivity is up 2%, with employees working in focused 24-minute bursts.