Heel pain that's worse in the morning is often plantar fasciitis, especially if you're on your feet a lot during the day. I had something similar and found that stretching my calves first thing when I wake up, wearing supportive shoes, and taking breaks to rest really helped, but it took a few weeks to improve. Might be good to bring it up with your doctor or polyclinic just to make sure, especially if it's affecting your daily routine or getting worse.