Historically human beings naturally slept in two distinct phases, with a period of wakefulness separating the two phases.
If you are going to stay up all night awake and doing things, there are some intelligent choices and investments to make.
The sleep quality of a nap depends on both practice and placement. For example, in the Uberman schedule, not all naps are REM, it depends on the placement what type of sleep an Uberman will get in a nap.
You can enhance your sleep quality with the use of supplements. A good diet will also enhance your sleeping patterns, but often supplements can fill holes in your diet and optimize your sleeping schedule.
If you are new to polyphasic this is where you can learn about some of the methods of adaptation.
