I used to be one of those people who could sleep deeply any time, any place.
I once slept the night in a telephone kiosk having missed the last train home.
But in the past few years my sleep has become more erratic and broken. I find it easy to go to sleep, but often wake at 3am and fret. I know I’m not alone. According to a 2013 study by the Sleep Council the average Briton gets six and a half hours sleep at night, and most of us, rightly, don’t feel that is enough.
To find out what’s going on I’ve been drilling down into the science. It has been an absolute eye-opener…