Você não está cansado: seu cérebro está intoxicado de tela

Are you really tired or is your brain overstimulated? In this video, Dr. Tiago explains why excessive screen time, LED light, and digital stimuli can affect sleep, memory, mood, and feelings of mental fatigue. More than just saying "use less screen time," the goal is to understand what happens in the brain when we live connected all the time. The conversation covers topics such as melatonin, the hippocampus, the prefrontal cortex, deep sleep, emotional dysregulation, and the impact of overstimulation on adult life, children, and adolescents. Video chapters: 00:00 — You're not tired. You are overstimulated 01:09 — Why simply saying “use less screen time” doesn't solve the problem 03:01 — How excessive screen time affects sleep, retina, and memory 05:04 — The mistake of using your cell phone before bed 05:55 — The relationship between screen time, mood, anxiety, and mental fatigue 07:00 — The accumulation of “brain clutter” 08:30 — Why sleeping well reorganizes the brain