Something as simple and commonplace as the lack of good sleep and rest can be - and has been - catastrophic. It's shocking how the mundane, every day, and simple things can be such a big deal!

Check it out - There are few things that everyone appreciates. 

One of these things: A good night's sleep is wonderful. Though a subjective statement, it will always be true.

No one enjoys fatigue, a slow brain, or trouble focusing.

Everyone appreciates being clear-headed, rested, and ready.

Yep.  Across the board, everyone will be better off in some way - reinvigorated and alert -  after a good night’s sleep, or solid nap.
And, unfortunately, for a multitude of reasons, and for a large percentage of people, there are few things that have become more unattainable than adequate sleep.