Separation anxiety when away from partner, any anxiety sufferers do you experience this?

So I suffer with anxiety and panic attacks and I have done for 6 years, I have been finding recently that I get separation anxiety when I am away from my partner for too long. We are trying for a baby but the last 4 months he has been working 5-6 days a week working night shifts, so our time together has been getting less and less as he is always exhausted. I have been noticing that I’ve been having a lot of anxiety when he works his long night shifts. I am ok after the first few hours but as he works 12 hour shifts I start getting super anxious wanting him to get back home to me. I know this probably isn’t “normal” but I am wondering if any other women on here go through a similar thing. I haven’t expressed this too him and try my best to hide it, but some days i find it hard.