It went pretty well. They even gave me a private room to stay in...nice. My son didn't like being hooked up, but he was tolerant of the procedure. They made him stay up later than usual and somehow they waked him up at 6:40! I haven't been able to do that for months! I'm guessing he heard a different voice and his brain said to wake up. He was not cognizant of anything for a good 20 minutes, just sat there. We won't get any results for a long time yet, but I think it was worthwhile. While he was there, I went to the bookstore and found the book "Adrenal Fatigue" by James Wilson. I'm pretty sure I've heard about it on this site before, but it's really a great book. If nothing else comes from the sleep study, at least I found this book!