Ever wonder why you feel withdrawn or why social interactions feel draining? World-renowned sleep scientist Dr. Matthew Walker reveals the shocking truth: a lack of sleep doesn't just make you tired, it makes you socially repulsive to others. This withdrawal from society isn't a choice; it's a biological response to sleep deprivation that can lead to profound loneliness. On this episode of The Dr. Hyman Show, Dr. Mark Hyman is joined by Dr. Matthew Walker, the author of the international bestseller "Why We Sleep" and the world's leading expert on the science of sleep. They discuss his groundbreaking paper, "The New Science of Sleep," and uncover how getting enough quality sleep is the single most effective thing you can do to improve your brain health, emotional well-being, and longevity. In this conversation, you will discover: The "social repulsion" effect and how sleep deprivation makes you asocial, lonely, and causes others to withdraw from you. Why sleep is not just a "pillar" of health but the very foundation upon which diet and exercise sit. The shocking discovery that just one week of six-hour nights can distort the activity of 711 of your genes, promoting tumors and chronic inflammation. How insufficient sleep can age a healthy young man by 10 years in just one week by lowering testosterone levels. The direct link between getting short sleep across your lifespan and your risk for developing Alzheimer's disease. How to escape the "tired but wired" phenomenon that fuels anxiety and insomnia. Dr. Walker's 4 "macros" of good sleep: Quantity, Quality, Regularity, and Timing (QQRT). Actionable tips to immediately improve your sleep quality, including the truth about blue light, the power of a wind-down routine, and the optimal temperature for deep sleep. After watching, what is the ONE sleep habit you will change tonight? Let us know in the comments below! 👇 If you enjoyed this video, be sure to subscribe to the channel for more conversations that can change your life. #MatthewWalker #Sleep #Loneliness #MentalHealth #DrMarkHyman This episode is brought to you by Seed, PerfectAmino, Sunlighten, and AirDoctor. Seed is offering my community 25% off to try DS-01® for themselves. Visit seed.com/hyman and use code 25HYMAN for 25% off your first month of Seed’s DS-01® Daily Synbiotic. Get pure essential amino acids today. Go to bodyhealth.com and use HYMAN20 to get 20% off your first order. Visit https:sunlighten.com/ and save up to $1400 on your purchase with code HYMAN. Get cleaner air. Right now, you can get up to $300 off at airdoctorpro.com/drhyman. Matthew Walker explains how **sleep deprivation** can lead to **social withdraw**, making individuals **antisocial** and less eager to engage. Prioritizing **sleep hygiene** and understanding **benefits of sleep** are vital for maintaining social connections and overall well-being.