I do a little, take a break, do some more.  Go to sleep, set my alarm for the middle of the night, do a little more, set my alarm again, and finally wake up naturally to sunlight.  I'm editing video, saving it, uploading it to youtube, editing more clips, etc, etc.  (I sleep during downtime, while the vids upload.  A 5 minute clip can take 20-40 mins on my computer...).

Uh huh. 
That explains the circles under my eyes and my bug eyes.

Yes, this is addicting!