Am I weirdo?

*We are 19 so it's not like we are 30 and spending the night*Ok so when spending the night at my friend's house I always sleep in the bed next to my friend and her fiance. It goes him her and me in that order. I told someone this and they thought it was super weird. I don't find it that weird... Should i? I only see them as friends and vice versa. They always invite me to spend the night in their room cause the couch is uncomfortable but are they doing it just to be nice ? Idk I never thought about it really being weird cause we are all so close but now I have anxiety about it and hope they don't think it is weird.