Then, while you are waiting at the doctor's office the outpatient waiting room or wherever, you can accomplish small necessary tasks. Or maybe just use the time to enjoy a good book or other reading material. Give yourself extra time so that you don't have to deal with last-minute deadlines. Set your own deadline, before a job has to be done. Then reward yourself for achieving your goal.
Much time is wasted starting over.
Make an effort to handle each piece of paper only once and do what it requires. Throwing out unnecessary junk can also prove a timesaver. You didn't mention the time lost when you're not feeling well. There are even ways to put this time to good use. You can have a tape recorder set up next to your bed.