We were a little less motivated, i.e. we did a very short (11 mile) hill ride at 5 AM for the very same reasons stated above. It was twilight when we left, didn't really need the headlight, though. Rode through town, up Nawshatuc Hill and back home, up the steep side of my street.
Saw one commuter, quite a few runners, and a couple of other cyclists on the way back. Despite the early hour, we still had a little "traffic" incident. There was a street cleaner on Main St., right before entering downtown. He decided to pull out and turn around down a side street right before we went by. We were already riding in the lane, but he forced us to go on the wrong side of the road... it was quite clear he didn't see us, especially since the driver side of the street cleaning vehicle is on the right. Of course, after that, the one car that was behind me started beeping his horn at me, as I went around the round a bout, in the lane. Geez, at 5:30 AM?
I still love riding at this time of day, but getting up at 4:40 was just a little bit hard. I plan to do some swimming at the pond later on, but since I swim pretty poorly, that will be more fun than exercise.