Planning your time ,schedule in accordance to your time setting as you want make it easy to get remembered like
1)2:00AM -8:00PM I am in work
2)3:00PM-2:00Am evening I take break or I am online university study
3)3:00PM-5:00PM I would take my time with family
4) 5:00PM I will read some books or study
5)5:30PM I will get to rest
6)6:00AM morning I will start my job again
Time management is all about doing this as your have stated on above not only principles if you do in best way it to profitable