Hi guys, Welcome to the Advanced Video Search Engine, and you are watching What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?. That video is uploaded by Dr. Sten Ekberg at 2022-11-18T03:18:00-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [CBRu9HibeNM]