Instead of the empty, lined pages you often find in notebooks, a bullet journal contains sections where you can keep a weekly or monthly calendar, log daily to-dos, track your mental health ...
Follow the standard bullet journal structure in your digital bullet journal, and create an index, future log, monthly log, ...
She's given us examples of bullet journal pages to help you plan your exercise and studies. Louise has come up with an example Couch to 5K spread which might encourage you to complete the course ...