After a couple of years' of illness my sister was diagnosed with ME in 1993. Years, and a battery of tests, later she was also diagnosed as having Fibromyalgia. At first her illness meant she'd have to rest after any exertion or socializing. Over time her condition has worsened to the stage where she is in bed in a darkened room 24/7. She has trouble tolerating light and noise and suffers from near constant headaches and burning pains.