Why not try a cup of chamomile lavender tea? Both chamomile and lavender have been widely used to promote sleep and relaxation. As a combined infusion, these herbs have a calming effect that may help the restless night-owl wind down. As with other herbal teas, it is caffeine free. Its sweet floral taste is appealing to both children and adults.
http://en.wikipedia.org/wiki/Chamomile
http://en.wikipedia.org/wiki/Lavandula