I agree with putting it first at the time he wakes, and gradually increasing it. Also in the first few days when DD moved to a big girl bed and she could get out, she resisted it a little I would go in with her and wait for the sun then she caught on and it was not necessary anymore. I guess it depends on your LO's personnality though, because this could make in worse in some cases I assume... Once she made a big drama about getting out of her room before her sun, I ended up getting up with her and going downstairs with her, but I did not get any toys for her, or open the TV, etc, because her sun was not up yet so until it was, she had to wait quietly (I did not want her to wake DS who was a small baby and had a rough night). That worked very well too because she never wanted to get up before her sun again, she was so bored! LOL