Well, then, that's what you get for reading informative threads on the Internet!

Don't let us geeking out over the details in threads throw you. I mean, home sleep tests aren't usually something one has to study for--they grade them on a curve, and they don't usually make up much of the final grade for the semester.

As the saying goes:
For the best sleep at the Oz Sleep Center, pay no attention to that man behind the curtain. Just follow the instructions from the great and powerful Dr. Wizard.
https://www.youtube.com/watch?v=YWyCCJ6B2WE