TV is TV and reality is reality. On TV what starts innocent will not stay that way, that is just how TV works. Real life is different. I had a visitor not long time ago and we slept in the same room even if they are working on a relationship. I have slept in the same bed for practical reasons with my best friend, and she is in a long term relationship. It's absolutely not sexual at all having her snoring in my ear.

But on TV they put in hints and stuff. And have girls sleep in see through clothes, which no one uses IRL, hopefully.