Am I overthinking this..?

My husband and I just had a baby literally a few days ago. I am breastfeeding so I’m the one who gets up with her at night and he changes her diapers at night when needed. Yesterday he brought up the fact that I had a guy on Snapchat who he told me to remove a while back. I didn’t know I had him on there honestly, him and I both have children and go on with our lives. Which means, he went through my phone. I have no issue with that I have nothing to hide but since I’ve been waking up at night with our baby I noticed he’s been on his phone in the middle of the night and on his phone way more often than he has been. When he wakes up to change our baby he will be on his phone for about 10 ish minutes afterward. He also had started putting his phone has far as possible from me when before he would just put it under his pillow charging. My thought was, maybe he has a guilty conscience and that’s why he went through my phone? Am I being hormonal? Lol