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.

It's estimated that knee pain affects 25% of adults and is responsible for over 4 million primary care visits a year. Inside ...

U.S. Army Staff Sgt. Rayshaun Smith thought his knee pain was caused by his active lifestyle. It was an early sign of a rare ...