Answer:
What always goes to bed with his shoes on?
I can travel from there to here by disappearing, and here to there by reappearing.
What is lighter than what it is made of?
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
who do you think you know but sometimes you don't
What age most travelers have?