A guide examining the causes of poor sleep, and how to treat it with herbs and natural healing Insomnia is a major problem for many people, and a minor one for most, often caused by things such as stress, pain, digestive issues, urinary problems and hormones. In the author's twenty two years of herbal practise, at least half of the people seen have had some kind of sleep issue. It may be waking at 5am, when they would rather...