Grognor will record >20 days of sleep quality data with melatonin use

Created by gwern on 2012-05-31; known on 2012-08-31; judged wrong by Grognor on 2012-08-28.

• gwern estimated 45% on 2012-05-31
• gwern made the prediction on 2012-06-01
• Grognor   judged this prediction wrong on 2012-08-28.