When you're in pain, it can frightening to exercise. Doctors often tell you that you should stop moving entirely. Other health professionals may tell you the same. The problem is, the more you rest, the worse things get. And then you find yourself on a hopeless slide towards worse and worse pain and immobility.
There are three major articles you should read.
If you were to rest in your bed for a year, you would not get MORE comfortable. You'd end up in pain as your body atrophies.
Remember that ATROPHY ACHES.
Exercise and movement is the only way out of pain. Bodies don’t get stronger and resilient from rest.
You'll also benefit from reading about the Physically Feeble Fallacy so you understand why doctors keep telling you to rest more.
Bottom line: unless you have a REALLY REALLY REALLY weird exceptional reason, your body needs to move to feel good.