Night 13: pill was Vitamin D

Created by gwern on 2012-01-13; known on 2012-01-13; judged right by gwern on 2012-01-13.

• gwern estimated 50% on 2012-01-13
• gwern said “took a long time to fall asleep, but then I seemed to sleep well, so I didn’t know” on 2012-01-13
• gwern   judged this prediction right on 2012-01-13.