[0]: https://www.amazon.com/Promise-Sleep-Medicine-Connection-Hap...
Sidenote: The book recommendations on HN are always top notch.
The Promise of Sleep is an okay book, but it is almost 20 years old now and it shows.
I have read both books and it is remarkable how much more we learned in the time between them.
[0]: https://www.amazon.com/Why-We-Sleep-Unlocking-Dreams/dp/1501...
[0]: https://www.amazon.com/Promise-Sleep-Medicine-Connection-Hap...