He's certainly responded to a lot of reader critique on his blog: https://sleepdiplomat.wordpress.com/2019/12/19/why-we-sleep-responses-to-questions-from-reader

He's certainly responded to a lot of reader critique on his blog: https://sleepdiplomat.wordpress.com/2019/12/19/why-we-sleep-responses-to-questions-from-readers/ https://sleepdiplomat.wordpress.com/2019/12/19/why-we-sleep-... Not sure if that covers all of it, and I'm not sure whether any of it is factually correct.