What I find most baffling about this article is the lack of acknowledgement that scientists don't yet have a full picture of why we sleep, nor is there an under

What I find most baffling about this article is the lack of acknowledgement that scientists don't yet have a full picture of why we sleep, nor is there an understanding of the function of each sleep stage. To claim we can somehow find a way to do without sleep, or to somehow optimize it by focusing sleep on certain stages, when we don't even know why it's required in the first place, seems like putting the cart way way past the horse...