S slept for an uninterrupted stretch of more than 4 hours between 9pm and 7am on 4 out of the 5 days previous to the prediction due date.

Created by penten on 2016-12-21; known on 2017-02-21; judged right by penten on 2017-02-21.

• penten estimated 65% on 2016-12-21
• penten   judged this prediction right on 2017-02-21.