Noises in the night

I really dislike noises in the night. Saturday about 4am I got a bit freaked out when something rattled my bedroom window. It almost sounded like a bird flapping it's wings on the window. I woke up dh though and made him go check. He didn't want to get up at first since in his words, It wasn't something too big, the motion lights didn't go on, but he did get up. He even slept in the living room for the rest of the morning just in case. At least he was home. There's no way I'd have the courage to get up and look. The thought of looking out the window and seeing someone staring back at me freaks me the hell out!!