Table 1.

Level of analytics and its mapping to sleep tracking.

Analytics level	Questions answered	Mapping to sleep tracking
Descriptive	What has happened?	“How many hours did I sleep last night?”
Diagnostic	Why did it happen?	“Why did I have so many awakenings last night?”
Predictive	What is likely to happen next?	“How will my sleep quality be in five years if I keep going to bed at 2:00 am?”
Prescriptive	What should be done about it?	“Will I sleep better tonight if I work out 10 minutes longer in the morning?”