Children who wake up early before their parents do, usually between 5 and 6 AM. They come out of their bedroom and want everyone to get up. Early morning risers are not waking early on purpose. They are no longer tired. They’ve been put to bed too early the night before.
The soft spot is a diamond shaped area on the top of the head. The medical name for this non-bony spot is the anterior fontanel. There’s another much smaller fontanel in back. It may be harder to find.