Hi guys, Welcome to the Advanced Video Search Engine, and you are watching How Much Sleep Is Needed for Glymphatic Flow (Brain Cleaning)?. That video is uploaded by NutritionFacts.org at 2024-02-07T04:59:47-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [NxetSJfI9LI]