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3rd June 2019 07:30
Link to Post #1
I'll sleep when I'm dead
Sleep. We all need it. Some of us seem to need more of it, some of us seem to need less of it but it is the one thing that in today's modern society that we all cannot seem to get enough of.
Sleep is at the very heart and the foundation of our health and wellbeing.
Matthew Walker, a sleep neuroscientist and author of Why We Sleep, explains why sleep is one of the most critical aspects of our lives in this highly inspiring and educational chat with Joe Rogan. It is an absolute must-see for everyone. If you haven't yet read the book, it is an excellent companion to the video.
The bottom line is, according to Matthew, we need 7-9 hours sleep per night to be healthy and happy.
Matthew says that when we don't get enough sleep, a number of things can occur.
- We crave more carbohydrates so we eat more. People sleeping 4-5 hours a night will on average eat 200-300 extra calories each day.
- Our cognitive abilities decline - we experience low level brain damage
- The ability of your lungs to expire CO2 and inhale oxygen decreases
- The less you sleep, the faster you experience lactic acid build up
- We can experience a 60% increase in the probability of injury if we compare people who get nine hours of sleep versus those who get five.
- The lower your peak muscular strength, the lower your vertical jump height, and the lower your peak running speed
- When you don't get enough sleep, your stability muscles fail earlier
He also states that there are long term devastating consequences if you are a chronic insomniac or do not get the required 7-9 hours sleep on a regular basis.- The shorter your sleep on average, the shorter your lifespan
- The less you sleep, the less ability your brain has to effectively clear the plaque build up inside your brain called beta amyloid. A build up of beta amyloid is one of the toxins responsible for the underlying mechanism of Alzheimers disease. Therefore, insufficient sleep is the most significant lifestyle factor for determining whether or not you will develop Alzheimers disease
- Insufficient sleep is linked to bowl, prostate, and breast cancer
There is a tiny fraction of the population, under one percent, who has a certain gene that allows them to survive on five hours of sleep but as Matthew Walker says, you are more likely to be struck by lightening than to have this gene.
Podcast notes here
Last edited by Constance; 4th June 2019 at 23:13.
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3rd June 2019 08:05
Link to Post #2