My 3 year old usually sleeps from about 8pm to 7am. For some ungodly reason he was awake at 4am this morning. He doesn't nap so he just fell asleep about of the blue about ten minutes ago. I mean he is sound asleep! What would you do, would you let him sleep or force him awake till a little bit later? This is out of character for him so I am at a loss, but I am also SO tired myself.