I'm with you! NOT a morning person, never have been, have always had a hard time getting to bed on time and getting up on time. If left to my own devices (in other words, without specific things I have to be up for by a certain time) my schedule tends to shift later and later.
My better half is the complete opposite; if left to his own devices, he'll just go to bed earlier and earlier and get up earlier and earlier. Mostly this actually works out well, as we make a point of going to bed at the same time, so we balance each other out to some extent. But if he's out of town I struggle even more (as evidenced by the fact that he's currently out of town, and I am consequently in the living room with my laptop right now instead of in bed where I should be).

What makes me hate getting out of bed more than anything, though, is if the room is dark. I lived in Germany for a couple of years for grad school, and I absolutely hated dragging myself out of bed in the winter when everything would just be wet and gray and dark. New England can be a bit like that, especially around December and January, but way better than Germany.

At home I have a lamp in the bedroom with a daylight bulb, on a timer that turns on in the mornings. It isn't a magic bullet, but it does make me generally feel better about the whole business of having to get out of bed if the room is actually brightly lit.

It has no bearing on biking to work though. I'm self employed, and I don't own a car - I bike everywhere.