By Ariane Sohrabi-Shiraz Many of us spend hundreds of pounds on products to help prevent our skin from ageing, and it turns out a sleep condition could be making things worse. One in five people in the UK aren’t getting enough sleep for one reason or another, whether that be because of illness, stress or because you’ve had a baby. A few sleepless nights are nothing to worry about, but there’s one sleep condition which can have detrimental effects on your health. Insomnia, which is finding it difficult getting to sleep or staying asleep for a long time, is a common problem which affects around …