We don’t currently know the exact reason why people get fibromyalgia. But there does seem to be a common link with things such as arthritis, a traumatic event, and mental health and well-being.

Fibromyalgia isn’t caused by damage or an injury to the body. But it does increase the sensitivity of your nerve endings, which means you could feel pain from a small amount of pressure or minor knocks.

One theory is that the condition is caused by problems with a person’s central nervous system – which controls all the sensations and movements the body makes.

Studies have shown that parts of the brain that register pain react differently if you have fibromyalgia. This means you feel pain when other people just feel uncomfortable or stiff.

People with fibromyalgia often don’t get enough deep sleep. Research shows that lack of good quality sleep can make pain worse, and maybe even cause pain.

Pain, unhappiness, depression and stress can all make you sleep badly. Symptoms often start after an illness, accident, or a time of emotional stress and anxiety. When you’re low or depressed, your pain can also feel worse. At the same time, your pain can make you feel more stressed.

Unlike conditions, such as arthritis, the pain you feel with fibromyalgia isn’t caused by visible inflammation or damage to your body.

This doesn’t mean the symptoms of fibromyalgia are unreal or ‘all in your mind’. However, anxiety, physical or mental trauma, and sleep disturbance are all thought to play a part in the condition.