I have a part time job loading and unloading heavy packages for hours at a time. It is a physical job as I'm always moving on my feet and handling packages with my upper body. I was wondering if my job may possibly be interfering with the recovery process? After a hard ride with heavy sprinting sessions do I need to have a day off with very minimal physical activity to fully recover? I work about 4hrs each day for 5 days out of the week and I have school prior to work.