Besides counting sheep

Keep your hand free from this dam computer sounds like a good start.

eat a bowl of ice-cream make sure its vanilla while standing on your head and then start counting llamas and you will be asleep in no time! :-)

Relax your whole body starting with your feet all the way up. Then try to meditate. Do not focus on falling asleep, but on relaxing and soon you will be fast asleep.

Warm milk certainly helps some people and other remedies can be found in a web search for ''natural sleep aids''.