asthma genital or urinary problems, such as incontinence or an enlarged prostate long-term pain. medications: stopping tranquillisers and sleeping tablets slimming tablets melatonin - occasionally many medications can do this - check with your doctor. Helping yourself Here are some simple tips that many people find helpful: Do's Make sure that your bed and bedroom are comfortable - not too hot, not too cold, not too noisy. Make sure that your mattress supports you properly. If it's too firm, your hips and shoulders are under pressure. If it's too soft, your body sags which is bad for your back. Generally, you should replace your mattress every 10 years to get the best support and comfort. Get some exercise. Don't overdo it, but try some regular swimming or walking. The best time to exercise is in the daytime - particularly late afternoon or early evening. Later than this can disturb your sleep. Take some time to relax properly before going to bed. Some people find aromatherapy helpful. If something is troubling you and there is nothing you can do about it right away, try writing it down before going to bed and then tell yourself to deal with it tomorrow. If you can't sleep, get up and do something relaxing. Read, watch television or listen to quiet music. After a while, you should feel tired enough to go to bed again. Don'ts Don't go without sleep for a long time. Go to bed when you feel tired and stick to a