It certainly can be. Our bodies need time to adjust as we develop our new normal. Be kind to yourself.

Yes I always getting heart burn food and when I take my tablets only milk helps me

Hope things are starting to improve further. I had two stents fitted a couple of years ago and have managed to get active again and lose some of the drugs I was on in the process. However, there are times when I do get very tired, usually towards the end of the week.