1 A person may or may not have any symptoms previously, but all of the sudden a plaque ruptures, triggering a chain of events and a sudden heart attack.  The other is a more gradual progression of coronary disease. In these patients, an artery is getting narrower over time.
Knee pain at night causes. Common causes of knee pain at night include sprains and strains, anterior knee pain, menisci or cartilage damage, osteoarthritis tendonitis, bursitis, torn ligaments or tendons, bleeding into the joint, Osgood Shatlerâs disease, gout, septic arthritis, overuse, and obesity.
1 The joint may become stiff and swollen, making it difficult to bend and straighten the knee. 2  Pain and swelling may be worse in the morning, or after sitting or resting. 3  Vigorous activity may cause pain to flare up. 4  Loose fragments of cartilage and other tissue can interfere with the smooth motion of joints.