Attempt (post-sleep nap): failure

Sleep graph: Screenshot_2017-02-10-13-49-32.jpg



Success rates:
Long sleep: 21/27(+14 interrupted) (12 weak, 9 full)
Post-sleep nap: 17/20 (2 weak, 15 full)
Isolated nap: 4/6 (2 weak, 2 full)