tiredness

I am really tired.  Like bone-tired, can't think of how I will survive without good, solid sleep tired.  I am not sure what happened.  I think part of it, a good part, is that I am emotionally tired.  Another large part is that I think the last time I got several consecutive nights of good, solid sleep was about, um, 2.5 years ago.  Basically from the beginning of pregnancy onward it has been a struggle to get great sleep.  Now, I survive pretty well on less sleep than most people.  However I believe my limit has been reached.  I need Lilly to sleep tonight and I need to go to bed NOW!