Sleep

You decide to go sleep a little, you hear upstairs and as you reach your room you take your Bikini off, you then wrap the towel on your exposed body,covering it, you then lay on bad thinking about what you're gonna wear, suddenly you get too sleepy and then drift off in your sleep with just the towel covering your body

You start feeling something weird, like there's someone brushing the towel off the lower part of your body