# Morning Stiffness Vs Evening Knee Pain: Causes & Solutions The intensity and timing of knee pain can vary significantly from morning to night. Some people wake up with stiff knees that improve after moving around, while others experience increasing discomfort by the evening after a long day of activity. https://www.diigo.com/item/note/bqth1/8d16?k=d702b25a4960d3e749129c55ee87ccb7