I'll tentatively define conscientiousness as orderly behavior, especially such behavior which is intended to prevent medium-to-low probability bad consequences.
Why do you feel you have to go to bed and get up?
What would be an example of disorderly behavior? I think all behavior is ordered.
I have to go to bed because otherwise I'll be very tired tomorrow. I have to get up because I have stuff to do. I hate going to bed and I hate getting up.
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