How to Sleep Less: 18 Tips to Get to Sleep Faster and Feel Rested
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Too much sleep could be worse for health than too little
The Benefits of Getting a Full Night's Sleep | SCL Health
Poor people and people of color get less sleep — that's bad for health and wealth | PBS NewsHour
How to Sleep Better - HelpGuide.org
How to Sleep 8 Hours in 4 Hours: Get Less Sleep but Still Feel Rested
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How Much Sleep Do You Need? - HelpGuide.org
How to Sleep 8 Hours in 4 Hours: Get Less Sleep but Still Feel Rested
A Gene That Makes You Need Less Sleep? | The New Yorker
You should be sleeping more than eight hours a night. Here's why — Quartz
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Is 2 Hours of Sleep Better Than No Sleep at All?
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How Fitness and Sleep are Linked | Fix.com
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How to Sleep 8 Hours in 4 Hours: Get Less Sleep but Still Feel Rested
