YEP, THE VALERIAN IS PRETTY VILE
I actually do pretty well with catnip tea, sweetened with honey. The only problem is fending off my cat, who thinks the catnip supply in the house is reserved for him. If you don't mind feeling groggy the next day, OTC benadryl also works as a sleeping pill.
PICK A REALLY BORING BOOK TO READ -
If I start reading something interesting, I'll get involved and stay up all night. So I keep a couple of my old college sociology textbooks handy - they're so incredibly dull that they make me sleepy.