Sleep deprivation is hitting different now

I thought I knew what tired was from work and college but this is something else man. My wife and I are tag teaming the nights because the baby won't sleep longer than 2-3 hours at a time. I had to pull over on the drive home from my dad's house yesterday because I was starting to nod off. When does this get better? Is there any real strategy or do you just suffer for the first few months?