A few things... (Score 1)

Consider this: you may be trying to treat the symptom rather then the condition. Do you have trouble staying awake during waking hours? Do you snore loudly? If so you may have a sleep disorder. I did. I used to get extremely sleepy, and sometimes fell asleep, at odd hours of the day and usually woke up not very refreshed. My boss caught me asleep at my PC one day and suggested I see a doctor. I checked into a sleep center and found out I have obstructive sleep apnea. Now I sleep with a C-Pap machine every night (my little buddy) and my life has completely changed. I sleep undisturbed through the night and have no problems waking up now and I have no problem staying awake until its time to go to bed. Consider it, seriously. BTW, people with OSA are immensely more likely to suffer heart attacks and strokes. Another thing I've learned: the human REM cycle is 45 minutes long. If you wake up in the middle of one you'll be bleary eyed. If you wake up between them you'll be clear headed. It almost doesn't matter how many you've had (to a point) as long as you time it so that you wake up between them. Try adjusting your wakeup time so that it corresponds to a whole number increment of 45 minutes from when you fall asleep (not go to bed). If it takes you 10-15 minutes (or whatever) to fall asleep take that into account. Also, many people make the mistake of doing other things in bed besides sleeping, like reading and watching TV. DON'T. Make sleeping the only thing you spend time doing in bed so that when your head hits your pillow there are no contradictory associations keeping your eyes open and your mind awake.