Have you ever had a cold and suddenly wished you had appreciated your ability to breathe easily before your nose was congested? Waking up with knee pain can be a similar experience, Physionorth explains.

Do you grunt, groan, and ratchet yourself to a standing position as you get out of bed in the morning? Then, after stretching and moving around for a few minutes, do you feel the achiness and stiffness abate (at least some of it)? There’s a reason for this…