I have never been a morning person. But lately it has gotten worse. I wake up, am wide awake for a few hours then CRASH. This is atleast 3 of 5 days per week at work, if not more, but no less than 3 days a week. I literally just dose off for a few seconds, my head drops whatever way. I may get a second wind and wake up for about a hour sometimes but then sure enough around 1-3pm I am back to the same way again. I must admit my sleeping patterns are jacked. I only get 4-6hrs a night, I dont go to bed until 12-2am and then wake up at 6am or so. I sleep in until 2-4pm on the weekends. Some days I can absolutely not make it through w/ out caffeine. Is there more to this than my sleeping patterns? Should I get on Ambien or see a doc regarding this to look into it? Could anything else be causing this? Thanks.