Outside the window, cold, so I drink coffee in a warm bed, I was napping, for another change of weather, now I feel my knee hurt, massage it a little, but the pain does not go away, like firing and effervescent coffee, I have to tablet, because pain alone will not pass

Outside the window, cold, so I drink coffee in a warm bed, I was napping, for another change of weather, now I feel my knee hurt, massage it a little, but the pain does not go away, like firing and effervescent coffee, I have to tablet, because pain alone will not pass