Episode Number: 1109
Episode Guest: Matthew Walker
Original Airdate: April 25, 2018
Episode Sponsors: Cash App, Zoom Video Conferencing, ZipRecruiter
Guest Bio: Matthew Walker is professor of neuroscience and psychology at the University of California, Berkeley, and founder and director of the Center for Human Sleep Science.
Topics Discussed: Only half your brain is asleep when you’re staying in a hotel room; quality of sleep is important; how alcohol and marijuana block you from dream sleep, and why you dream more intensely when sober again; more talk about marijuana and sleep; alcoholics and delirium tremens; people who brag about how little sleep they get; men who sleep only 5-6 hours per night have the testosterone levels of someone 10 years older; Courtney Dauwalter sleeping for one minute during a marathon; marathon athletes and hallucinations; Peter Tripp stayed awake for 200 hours and it drove him mad; what happens with the brain when you sleep; some parts of the brain become 30% more active when you sleep, while other parts shut off; why do we forget or lose our dreams in our memories when we wake up; noradrenaline; acetylcholine; DMT; why do some dreams seem so real; more talk about marijuana and sleep; all stages of sleep are important; what happens to the body during REM sleep; Joe talks about how he used to throw kicks in his sleep when he was competing in martial arts; talk about rats, sleep, dreaming, and memories; sleep is the greatest legal performance enhancing drug for skill learning and memory; he suggests people get between 7-9 hours of sleep per night; more talk about athletes and the importance of sleep for performance; visualization is similar to sleep and dreaming for athletes, but is less effective; more talk about sleep and motor skill performance; sleep-inspired creativity; Thomas Edison’s sleep patterns; having a problem and being told to “sleep on it”; W. M. Keck Observatory; we don’t see the stars anymore because of light pollution; home and its effect on sleep; if someone has a hard time sleeping they need: a regular sleep schedule, to make the bedroom and rest of the home dark, and keep the home cool; importance of temperature and light on sleep; midnight should mean the middle of the night; (1:00:00) sleeping twice per night; diet and sleep; how does he measure someone’s health from their sleep; the shorter your sleep, the shorter your life will be; being awake damages the brain, sleeping repairs it; people who work shift work (evenings or nights) and the negative health impacts on the body; night shift work has been classified by the World Health Organization as being a carcinogen; people who work shift work eat more and are more likely to be obese; you eat more when sleep deprived, but also eat more of the wrong things; as obesity has increased, the average amount of sleep has decreased; naps are beneficial but won’t make up for sleeping less each night; sleep is not like a bank; humans are the only species who deprives themselves of sleep for no reason; intermittent fasting and sleep; multiple days of fasting will negatively affect sleep; ghrelin/hunger hormone; being awake for 20 hours is the same as being drunk cognitively; drowsy driving leads to a car accident every 30 seconds; drowsy driving kills more people than alcohol or drugs; driving and microsleeping; driving is like a sedative; talk about the link between teenagers, sleep, school schedules, and car crashes; school schedules have shifted to start earlier and earlier; the effect of school starting times on academic achievement; we are working longer hours and commuting longer distances than ever before; don’t go to bed either too full or too hungry; melatonin is good when you’re travelling between time zones, but is like a placebo when you’re taking it nightly; 50% of people aren’t getting enough sleep; the average person is only sleeping 6.5 hours per day; no one can survive on six hours of sleep daily without impairment; you don’t know you’re sleep deprived when you’re sleep deprived; sleep deprived people aren’t as productive, efficient, or creative at work; sleep deprivation and writing; more talk about how not getting enough sleep is bad and how it can lead to cancer or heart attacks; effect of sleep deprivation on DNA; Joe talks about delivering newspapers while sleep deprived; only 1% of the population can survive on 5 hours of sleep, the other 99% need 7-9 hours; Ronald Reagan, Margaret Thatcher, and the possible connection between lack of sleep and Alzheimer’s; there are no countermeasures to a lack of sleep; Modafinil; Adderall; lack of sleep for a child could cause behavioral issues similar to ADHD; doctors only have around two hours of education on sleep; less than six hours of sleep for a surgeon leads to a 170% increase in risk of surgical errors; when a medical resident finishes a 30-hour shift, there is a 168% increase in risk of a car accident; William Halsted’s cocaine habit; 1 in 5 medical residents will make a serious error due to lack of sleep; 1 in 20 medical residents will kill a patient due to fatigue-related error; lack of sleep in medicine is an epidemic; hospitals are one place where people need a good night’s sleep but can’t get it; what doctors think of his research and book Why We Sleep; sleep is not a pillar of health along with diet and exercise, it is the foundation of health; governments need public health campaigns about the importance of sleep; lack of sleep costs nations 2% of their gross domestic product; Alaskans and circadian rhythm and seasonal affective disorder.
These are the books that were mentioned and/or recommended during this episode:
Last update on 2019-03-19. The above items contain Amazon affiliate links and I will be compensated if you make a purchase after clicking on them. Images from Amazon Product Advertising API.
Podcast Video: Below is a video of The Joe Rogan Experience podcast episode #1109 available for streaming via YouTube.
Podcast Audio: Audio for this episode of The Joe Rogan Experience podcast is available through Apple Podcasts, Google Play Music, Stitcher, or you can download the MP3 directly to add it to the audio player of your choice.