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.
Weak Legs and Constant Stretching at Night. Some medical conditions can cause discomfort in the legs, especially during rest. Photo Credit Medioimages/Photodisc/Photodisc/Getty Images. It is common to experience weaknesses and discomfort in your legs at night. This causes the desire to constantly stretch and test your legs, which inhibits a restful sleep. Several issues can lead to these symptoms.