I find it difficult to sleep by thinking about tomorrow. I run to catch a train most of the time because I wake up lazy.
A mobile application that can plan my day based on my calendar, commute timings, and device usabilities will help me sleep well. The reason is that the mobile device is the only device that most users have with them and has most of our analytical data.
(During a project deadline)
Using Crazy 8's technique I draw the ideas on a paper and decided on one best solution.