My first night in a different place is always a bad sleep. The body can't fully relax, it stays semi-alert for dangers. Worrying you won't be able to get a good nights sleep compounds the problem. Even if you don't take it, knowing you've got a sleeping pill on hand helps with that. To help relax, do everything you can to replicate bedtime at home. If you have favorite pajamas, bring 'em. If you are used to a bedtime snack, have one. I change the thermostat fan to On rather than Auto to keep some air moving constantly. My Paperwhite Kindle helps a lot because it can occupy my mind with the room lights out and makes no noise. It turns itself off when you've fallen asleep.