When I was a kid, my mum would push the bedside drawers against the bed to act as a barrier because I tended to roll out. I eventually outgrew that, but it was a sign of the sleeping troubles I would always have. In my twenties, I had bad insomnia. I grew tolerant to sleeping tablets. My GP tried a range of other medications where drowsiness was a side effect. For a while, I had success with an antihistamine, but once I grew used to those I went back to (one set of) sleeping tablets and briefly grew addicted. The thing with the sleeping tablets is I liked the way…