Songs for a long car ride?

i am going to be driving down to florida and im leaving at 4 in the morning. i need A LOT of songs to put on my ipod that will help me relax and fall asleep. i like lifehouse's broken, and basically anything of lifehouse, kelly clarkson, and alternative artists! another playlist i need is like pump up songs for when im out by the pool! i love i made it by kevin rudolf and things like that! so please help :)