I'm 20 and live with my mom. Is it ok for my SO and I to sleep in the same bed?

Ok ladies. I'm 20 and my SO is also 20 he has been staying over a lot lately and my mom doesn't mind as long as he sleeps on the floor but she knows that we slept together on a trip we took a week ago. (Actually slept cause I was tired with all the walking) Just me and him at Disney in Orlando 😍 but we don't plan on havin sex until we are married and she caught me and my SO snuggling in my bed one night and she flipped... I know it's her house her rules but shouldn't I still be able to sleep with him if I want? I am an adult.... But I don't want to be disrespectful to my mom ..