The concept was tested by Tim ferris in the book 4 hour body. He noted that its a hard thing to keep up with because you have to keep exactly on schedule or you will mess everything up and then you just end up sleeping for a day.
He noted that its a hard thing to keep up with because you have to keep exactly on schedule or you will mess everything up and then you just end up sleeping for a day.
That sounds like one of those excuses people make for something that doesn't really work.
