Runner’s knee, also known as patellofemoral syndrome, is pain near your knee cap that occurs due to damage ... a condition ...

Knee pain at night is a common condition caused by injury, arthritis, bursitis, gout, and more. When it happens at bedtime, it can also lead to insomnia, which can leave you exhausted during the day.

Knee pain while running is often due to runner's knee, IT band syndrome, and knee bursitis. Most running-related ... like an abnormally high knee cap. How to treat it: Stop running, apply cold ...