Hii I used ur study time and power nap videos and its great. I sleep for 6+1 and 1/2 or 5+1 and 1/2 hrs. Means 6 hrs or 5 hrs at night and 1 or 1 and half hr in day. So how to use these videos now?
In your case, I'd go for the customizable sleep track: https://youtu.be/VZMwNi8IPXs
Anurag Nath