Even if you believe in such stuff yourself, DON'T SCARE YOUR KIDS WITH IT.
My mom saw something when she was a kid and has been talking about it for the last 40 years... She still gets these yearly "UFO reports" books in the post and she used to read them to me and my brother before bedtime. People describing the abductions and the aliens they saw... That shit scared the shit out of me back then, I used to have a lot of nightmares about it
Even though I don't believe a word of it now, I'm still scared of the dark/strange lights on the sky. THANKS MOM!