For me, my heels started aching after I knocked it against my bed sometime last year. I thought it would heal itself, but it hasn't, and has slightly worse. I don't want to ignore it for too long. And I certainly don't consider it normal.
Man I got hammered for St. Patty's day last night and I still went to bet before midnight and I still am dead tired today. I don't think I can work through the day being in the condition I'm in