A universe is vast, spontaneous, and unique. So is my mind
We are told that if you get a sufficient amount of sleep, you won’t feel sleep-deprived. They tend to focus on the quantity of sleep and seem to overlook the quality.
There have been days in which I got very little sleep, yet felt so energized and refreshed. And others, where I had much more sleep than needed, yet was too tired to complete the simplest of tasks.