Doctors aren't sure what causes IBS. Experts think that a combination of problems may lead to IBS. Different factors may cause IBS in different people. Functional gastrointestinal (GI) disorders such as IBS are problems with brain-gut interaction - how your brain and gut work together.

Insomnia is difficulty getting to sleep or staying asleep for long enough to feel refreshed the next morning. It's a common problem thought to regularly affect around one in every three people in the UK, and is particularly common in elderly people. If you have insomnia, you may: find it difficult to fall asleep.

Hypnobirthing can help you manage stress hormones, such as adrenalin, and reduce anxiety, which should lead to a calmer birth. During labour, your body produces a chemical called oxytocin, which helps progress your labour. Stress hormones affect the production of oxytocin, and make your labour longer.

Hoarding is having so many things that you cannot manage the clutter where you live, and find it difficult or impossible to throw things away. You might hoard because you feel a strong need to keep things. But your connection to these things can cause you distress.