11 things you're doing that are setting you up for a terrible night's sleep

Tired at the office today? You aren't alone.

More than a third of Americans get less sleep than the seven to nine hours recommended for most people.

Some of the reasons for that are beyond our control - an unexpected visit from a friend or a young child can easily get in the way of a good night's sleep, regardless of your intentions.

But there are also things we do that can sabotage our sleep. And we can fix some of those behaviors.

Here's how you might be setting yourself up for a terrible night's sleep - and what to do about it.