When journalist, Ed Cooper, approached me for help with his sleep, he described himself as poor sleeper - he wasn't sure he'd ever slept well. His challenge was to follow my 'expert' advice, and to use an Oura ring to track whether changing his daily habits would transform his sleep.

Beatrix Potter wrote that eating too many lettuces made the Flopsy Bunnies 'soporific'. But Can you believe everything you read?! Can...