A way to sleep less and still be energetic : r/lifehacks
As a purely mathematical fact, people who sleep less live more. - IdleHearts
Shut-Eye Deficit: OECD Survey Reveals Japan Most Lacking in Sleep | Nippon.com
Why Do Some People Need Less Sleep Than Others? | Live Science
Americans are sleeping less than they were 13 years ago | Science News
Amazon.com: Personal Health: LESS SLEEP MORE ENERGY: How To Sleep Less And Have More Energy Than You Ever Had Before (insomnia, fatigue, health and wellness, tony ... disorders, mental illness, natural healing)
As a purely mathematical fact, people who sleep less live more | Picture Quotes
27 Successful People Who Sleep Less — Anne Cohen Writes
Do older people really sleep less? Here’s the gist!
Less Sleep, Less Friends » the nerve blog | Blog Archive | Boston University
Older People Sleep Less. Now We Know Why. | HuffPost Life
Why Sleep Less?. Introduction and Background | by Luis Corrales | Medium
How To Sleep Less: Function Better on Less Sleep (Step by Step)
Sleeping: Slowing down memory with less sleep .. Research reveals key facts ..! | Poor Sleep Causes Memory Loss And Forgetfulness .. Research reveals key facts ..! | pipanews.com
Does Less Sleep Make You Less Healthy?
Rare Genetic Mutation Lets Some People Function with Less Sleep - Scientific American
Are we sleeping less than we used to?
Why we're sleeping less - CNN.com
Here's Why You Sleep Much Less As You Age | HuffPost Life
Does more sleep mean you are smarter? - Quora
Why some people need less sleep than others | RNZ
A 25-year follow-up study found that people who sleep less than 6 hours are at increased risk of dementia - GIGAZINE
Can I train my body to sleep less?
Sleep Deprivation Kills: 30 Ways Not Sleeping Affects Your Body, Brain
Are we sleeping less than we used to? Here are the facts
