I'll have to admit that I try to get away with as little sleep as possible. It's not that I'm trying to be a hero or show that I'm macho, I'm doing the whole nights and weekends thing to work on my product because I'm driven to make it successful and it feels absurd to trade off progress for sleep. I'm well aware of the potential consequences health and otherwise but I see it as a short term cost for a long term bene…
You would probably make even more progress if you allowed yourself a good sleep schedule. If you "try to get away with as little sleep as possible", it is very likely you are sleep deprived, which leads to bad decisions and more frequent mistakes.
As far as grogginess/tiredness after you wake up goes that's related to where in your sleep cycle you wake up. I use one of the numerous iPhone/Android apps that use the accelerator to detect and wake you up at the end of a sleep phase.