Two thirds of adults throughout all developed nations fail to obtain the recommended eight hours of nightly sleep. I doubt you’re surprised by this fact, but you may be surprised by the consequences. Routinely sleeping less than six or seven hours a night demolishes your immune system, more than doubling your risk of cancer.
The Author of this Quote
![Matthew Walker PhD](/_next/image?url=https%3A%2F%2Fassets.heroic.us%2Fauthors%2Fheadshots%2Fmatthew-walker-phd.jpg&w=640&q=75)
Author
Matthew Walker PhD
Professor of Neuroscience at UC Berkeley, Sleep Scientist at Google and Author of Why We Sleep