What If You Never Slept Again? Scientists Tried It

What If You Never Had to Sleep? Eight extra hours every day. Almost 3,000 extra hours a year. Sounds like a superpower, right? In 1963, a 17-year-old named Randy Gardner stayed awake for 11 straight days, and what scientists saw happen to his mind changed how we think about sleep. Here's what really happens hour by hour, day by day, when your brain never gets to switch off, and why the hours you spend asleep were never wasted. All research and sources are linked below. ━━━━━━━━━━━━━━━━━━━━ ⏱ TIMESTAMPS 00:00 What if sleep just stopped? 00:39 Part 1: Awake for 24 Hours 02:11 Part 2: The Boy Who Stayed Awake 04:08 Part 3: The Brain's Cleaning Crew 05:02 Part 4: Never Sleeping Again 05:47 The Full Picture ━━━━━━━━━━━━━━━━━━━━ 📚 RESEARCH & SOURCES ▸ Moderate sleep deprivation produces impairments in cognitive and motor performance equivalent to legally prescribed levels of alcohol intoxication. Williamson & Feyer, 2000, Occupational and Environmental Medicine. https://doi.org/10.1136/oem.57.10.649 After 17 to 19 hours awake, performance matched a blood alcohol level of about 0.05%. ▸ Fatigue, alcohol and performance impairment. Dawson & Reid, 1997, Nature. https://doi.org/10.1038/40775 About 24 hours awake compared to roughly 0.10% blood alcohol, above the US driving limit of 0.08%. ▸ Psychiatric and EEG Observations on a Case of Prolonged (264 Hours) Wakefulness. Gulevich, Dement & Johnson, 1966, Archives of General Psychiatry. https://doi.org/10.1001/archpsyc.1966... The scientific record of Randy Gardner's 11 days without sleep. ▸ Sleep Drives Metabolite Clearance from the Adult Brain. Xie, Kang, Xu, Nedergaard et al., 2013, Science. https://doi.org/10.1126/science.1241224 In mice, the space between brain cells opens during sleep and fluid washes waste away. ▸ β-Amyloid accumulation in the human brain after one night of sleep deprivation. Shokri-Kojori et al., 2018, PNAS. https://doi.org/10.1073/pnas.1721694115 One night without sleep increased amyloid in key brain regions. ▸ Physiological Correlates of Prolonged Sleep Deprivation in Rats. Rechtschaffen et al., 1983, Science. https://doi.org/10.1126/science.6857280 Rats kept awake ate more, lost weight, and died within weeks. ▸ Sleep Deprivation in the Rat: An Update of the 1989 Paper. Rechtschaffen & Bergmann, 2002, Sleep. https://doi.org/10.1093/sleep/25.1.18 Why the exact cause of death is still debated. ▸ Fatal Familial Insomnia and Dysautonomia with Selective Degeneration of Thalamic Nuclei. Lugaresi et al., 1986, New England Journal of Medicine. https://doi.org/10.1056/NEJM198610163... The first description of fatal familial insomnia. ▸ The Transcriptional Repressor DEC2 Regulates Sleep Length in Mammals. He et al., 2009, Science. https://doi.org/10.1126/science.1174443 A rare gene variant behind natural short sleepers. ━━━━━━━━━━━━━━━━━━━━ PEOPLE & PLACES MENTIONED IN THIS VIDEO ▸ Randy Gardner: a 17-year-old high school student who stayed awake for about 264 hours in December 1963 for a science fair. ▸ William Dement: Stanford sleep researcher who came to observe Randy's experiment. ▸ Peter Tripp: New York radio DJ who stayed awake for about 200 hours for charity in a glass booth in Times Square in 1959. ▸ Maiken Nedergaard: neuroscientist whose 2013 study revealed the brain's cleaning system during sleep. ▸ Times Square, New York: where Peter Tripp's wake-a-thon took place. ━━━━━━━━━━━━━━━━━━━━ ⚠️ This video is for education and entertainment. Please don't try to stay awake for days. Sleep deprivation is dangerous, especially behind the wheel. ━━━━━━━━━━━━━━━━━━━━ 🎨 Animation by RAHLORE ━━━━━━━━━━━━━━━━━━━━ #sleep #sleepdeprivation #whatif #brain #neuroscience #science #randygardner #insomnia #psychology #health #explainer #animation #education