My sleep was ok but it was interrupted. I fell asleep at 6:30 and then I woke up once at 8:30 but I got back to sleep immediatly. Then I was up from 9 something until 10:30. I know I slept until 5:15 but I kept waking up for a few seconds at a time which I guess I normally do I just don't realize it. I'm just glad I wasn't up for good at midnight like I used to do. So they were able to get enough information for the study.