He's such a night owl now, staying awake until 10 p.m. or later. Then he sleeps in as much as he can.
Things I've done to wake him: Blasted music in his room, splashed water on him, pelted him with stuffed animals, yelled at him repeatedly. He doesn't want to wake up.
Everyone suggests waking him up very early, and then he will want to sleep early. But what's the point? His kindergarten day doesn't start until 11 a.m., and there's no real point in waking him up at 7 a.m. so he can sit around while we both have to work. I think the best bet is to let him stay up later and sleep in so we can get work done.