ハチドリ

Your answers put you in the middle of the continuum, which is where the largest group of people sits and which the words "morning person" and "night owl" both fail to describe. Left to yourself you wake at a fairly ordinary hour, your attention peaks in the late morning and again in the early evening, and neither end of the day is a struggle. The rigidity bar says whether this middle is flexible, which is the most adaptable profile there is, or fixed, which means a two-hour shift in either direction costs you.

What this gives you is fit. The standard working day was built for people roughly like you, and most schedules cost you little. You can do the early meeting and the late dinner, not every day, but without the body objecting on principle.

The friction is that a middle score is easy to ignore, and the cost of ignoring it is invisible until it accumulates. Hummingbirds drift later on weekends and earlier on weekdays and call the resulting tiredness stress. The single most useful practice for this profile is the one that costs nothing: a fixed wake time, kept within an hour on weekends, so the middle stays where it is. And if you are tired despite a schedule that fits, chronotype is not the explanation — sleep quality and load are the next things to look at.