EN LA PRÁCTICA | ¿Duermes pero no DESCANSAS? La Ciencia para Recuperar tu CEREBRO | Jorge Arecheta

Did you know that sleep isn't just a passive process, but an irreplaceable vital need? In this episode of "In Practice," Jorge Arecheta talks with neurologist Vivian Wanner about the real science behind our rest and how modern lifestyles are affecting our brain health. We'll discover fascinating processes like the glymphatic system, responsible for "cleansing" toxins from our brain while we sleep to prevent diseases like Alzheimer's and Parkinson's. Dr. Wanner also debunks myths about melatonin use, the real impact of coffee and alcohol before bed, and why naps can be your best friend or your worst enemy. In this video you'll learn: How many hours of sleep does an adult really need (and whether you might be a "short sleeper") How sleep regulates your emotions and helps process trauma The relationship between lack of sleep and weight gain Practical tips for night shift workers Don't normalize poor sleep! Your future health depends on what you do tonight. 00:00 – Introduction: Sleep as a luxury in the performance-driven society 02:45 – What is sleep? An essential biological process 04:15 – How many hours should we sleep? The ideal range for adults 07:30 – Are you a "short sleeper"? How to know if your genetics are different 09:40 – The 3 pillars of good sleep: Duration, continuity, and synchronicity 12:15 – The brain's "cleansing": The glymphatic system and Alzheimer's prevention 17:30 – REM sleep and emotions: Why we wake up irritable after a bad night 21:15 – Strategies for night shift workers and mitigating the damage of shift work 24:20 – Why does poor sleep make you crave high-calorie food more? 26:40 – Memory and Learning: How the Brain Sorts Information While You Sleep 32:30 – Smartwatches: Are They Reliable for Measuring Deep Sleep? 38:15 – The Effect of Alcohol and Coffee: Why They Ruin Your Sleep Quality 50:10 – Exercise and Sleep: Is It Better to Sleep Less to Train? 52:20 – The Myth of "Sleep Debt": Can You Make Up Lost Hours? 54:30 – Circadian Rhythm and Diet: The Danger of Eating at 2 AM 58:10 – Blue Light and Screens: Do Filters Really Work? 64:10 – Restless Legs Syndrome and Insomnia 71:15 – Sleep Paralysis: Why It Happens and How Stress Triggers It 75:30 – The Perfect Nap: The Coffee Trick and the 20 Minutes 78:00 – Melatonin: Recommended Doses and Dangers of "Gummies" 8000 – Why Science Calls for Eliminating Daylight Saving Time 86:15 – Top 3 Final Tips to Improve Your Sleep Hygiene Today