Husband and sister

Since i got pregnant i have been staying at my moms house and my husband occasionally sleeps here too. Tonight i was sleepy and everyone had gone to sleep except me my sister and my husband. I told him lets go to sleep im tired and he said lets sit for a bit and im like no and i leave to go to bed. I get ready for bed and wait for him he doesnt come so i message him and hes like wait this show just started its funny- he hates shows never have i ever gotten him to watch any. I was getting mad because he doesnt usually stay at my moms and since he was here i wanted to sleep with him and he just seemed to not care. I got mad at him. When my sister came upstairs he closed the tv and came. I was really mad and i told him why did you come just cause my sister left to go to bed the show was still going on. He got mad at me and came to bed and fell asleep facing the other way without saying anything. I maybe over thinking this but he has been giving my sister rides to her college which is 1/2 hr away and coming back another 1/2 hr when he usually gets mad at me if i do that. Also about 2 year ago he said he had a dream about my sister and him and they were in bed amd she was on top of him (he had the nerve to tell me this like it was nothjng). Am i over thinking this? What should i do ? I wish he wouldv said something tonight when i comfronted him but instead he got quiet and just said are you serious and just slept facing the other side. I dont know what to think / do?