Hi guys, Welcome to the Advanced Video Search Engine, and you are watching How fasting can impact sleep | Peter Attia, M.D. & Matthew Walker, Ph.D.. That video is uploaded by Peter Attia MD at 2022-05-31T06:00:49-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [GDrKCK4UHBU]