16 - Candles as in:
Sixteen candles make a lovely light
But not as bright as your eyes tonight (as your eyes tonight) (oh)
Blow out the candles, make your wish come true
For Ill be wishing that you love me, too (that you love me, too
If you can't sleep, then get up and do something instead of lying there worrying. It's the worry that gets you, not the lack of sleep.