Are we sleeping less than we used to?
Why some people need less sleep than others | RNZ
Do older people really sleep less? Here’s the gist!
If I do nothing for a day, I need a lot of sleep to feel rested, but if I am active, I only need a small amount of sleep. Why? - Quora
Here's Why You Sleep Much Less As You Age | HuffPost Life
27 Successful People Who Sleep Less — Anne Cohen Writes
Can I train my body to sleep less?
So, why do some people need such little sleep? | The Independent | The Independent
Is Sleeping Less the Key to Professional Success?
A 25-year follow-up study found that people who sleep less than 6 hours are at increased risk of dementia - GIGAZINE
Sleep Deprivation Kills: 30 Ways Not Sleeping Affects Your Body, Brain
Are we sleeping less than we used to? Here are the facts
Why do old people sleep less?
Does more sleep mean you are smarter? - Quora
How To Sleep Less: Function Better on Less Sleep (Step by Step)
Older Americans: Sleep "Doze" a Body Good
Does Less Sleep Make You Less Healthy?
Why Do Some People Need Less Sleep Than Others? | Live Science
Why we sleep less and less? • Texpir
How (not) to build a successful and sustainable life in science Part I: Sleep Pascal Wallisch. - ppt download
Shut-Eye Deficit: OECD Survey Reveals Japan Most Lacking in Sleep | Nippon.com
Amy Chua quote: As a purely mathematical fact, people who sleep less live...
Sleeping: Slowing down memory with less sleep .. Research reveals key facts ..! | Poor Sleep Causes Memory Loss And Forgetfulness .. Research reveals key facts ..! | pipanews.com
Rare Genetic Mutation Lets Some People Function with Less Sleep - Scientific American
Why we're sleeping less - CNN.com
