I finally got my sleep study, and I had 79 AHI! When I went to get the equipment, they thought I would be severely obese.
It changed my life, but I worry how much long term damage was done until then. My friend told me when I slept over (around age 14) that I would literally stop breathing and he thought I was dead. Then I would suddenly gasp awake.
Anyways, if you're having trouble remaining awake, definitely get tested. If you have everyday headaches, get tested! Life can be much better.