Lack of sleep.

I don't do well when I don't sleep. Tyson has been teething now for about 2 weeks. Saturday night he was up till 2 then would cry every 30 to 60 minutes. He couldn't breath very well due to his runny nose. Sunday night he sleep a little better but not much. So today he took a 3 1/2 hour nap. Wish I could do that!