Woman with insomnia sitting up in bedIt’s sometimes hard to take myself seriously when I write about the importance of sleep. Even though I know getting at least seven hours is key to a healthy mind and body, I’ve struggled to get to six a night for years.And though some techniques I’ve tried really have made a difference, I’m certainly not going to turn down potentially helpful new methods. So when Dr Lindsay Browning, psychologist, sleep expert and ambassador for And So To Bed, shared three numbers she thinks might send me back to the land of nod after a 3am wake-up, I tuned in. Her favourite breathing technique can help people whose stress and anxiety keeps them awake, after all (if that doesn’t describe me, I don’t know what does).