Bursitis is the inflammation of ... there are things you can do to reduce nighttime knee pains while you sleep: If you sleep on your side, place a medium-firm pillow between your knees.

5. Knee bursitis Where it hurts: It causes pain on the kneecap or just below the knee joint towards the inner side. What causes it: Knee bursitis occurs when one of the bursae in your knee becomes ...