Sophie Ellis-Bextor

Philately is normally a boys' hobby but for some reason it was in vogue at my junior school. Between the ages of eight and ten I collected avidly. I'd pore over my Stanley Gibbons book, obsessively checking my collection's value. I always hoped I'd stumble across a really valuable one, a Penny Black or an Inverted Jenny, but it wasn't to be.

In a Harvard University study, the diets of nearly 1,000 women were analysed before their morning melatonin levels were measured. Meat consumption was the only food significantly associated with lower melatonin production, for reasons that are as yet unknown.