No 2:30 feeling later

Lately, my daily schedule has consisted of the following:

• around 1200a: pass out, usually while doing homework. This often leads to falling asleep in awkward positions and drooling on textbooks
  
• 300a-400a: wake up to finish work
• 700a-800a: get ready for class
  
• 800a-900a: head to class
  
• 830a-600p: function anywhere from zombie-esque levels to euphoric exhaustion
• 600p: fight urge to pass out
  
• 605p: "nap" on desk (by which I really mean, pass out again. Beginning to get accustomed to textbooks doubling as pillows)
• 800p: dinner
• 930p: homework
• around 1200a: pass out
  
• repeat cycle

I'm really trying to regulate and get caught up on everything, but at this rate, I might just have to get use to something like this, yikes! While this style of living certainly doesn't seem to be the healthiest, I really do have to wonder if it's optimal. Hell, if it works, it works, so why fight it right? Or is this the sleep deprivation talking...?