Yahoo! recently featured an article from Fitness magazine, looking at the best foods to eat before bedtime.
Milk was named twice -- as "warm milk" and "cereal and milk."
Of course, for the true insomniac, the answer for getting to sleep may lie in Night Milk, a new product being developed overseas. Milk used in Night Milk is collected from cows during the night, resulting in an increased amount of melatonin. Read more about it here.