Can I have a healthy life with less than 8 hours of sleep? I have a 9-7 job and I'd like some more time to develop some hobbies. - Quora
How Much Sleep Do You Really Need? - National Sleep Foundation
Sleeping time (hours) of Japanese people - How much is it in Tokyo?
About 40% of Japanese adults getting less than 6 hours of sleep: survey - The Mainichi
How Much Sleep Do You Need?
In U.S., 40% Get Less Than Recommended Amount of Sleep
Recommended average sleep time... - Yogacharya Shivam Goswami | Facebook
How Much Do We Sleep? Americans Don't Know - The Atlantic
Shut-Eye Deficit: OECD Survey Reveals Japan Most Lacking in Sleep | Nippon.com
16 MARCH 2022: SLEEP DURATION: ASIA, EUROPE, UNITED STATES — PublicHealthMaps
A global quantification of “normal” sleep schedules using smartphone data | Science Advances
10 things to know about sleep as the clocks change | Sleep, Sleeping too much, Things to know
The average time spent sleeping (in hours) for a group of medical residents at a hospital can be approximated by a normal distribution, as shown in the graph to the right. Answer
Slept late: how much sleep is optimal? - Denk Nutrition
Here's How Much Fitbit Users Sleep | PCMag
Studies Show 1 in 3 U.S. Adults Do Not Get Enough Sleep (+ 3 Ways to Improve Sleep) - Blue Zones
Americans Are Sleeping More, If Not Necessarily Better
Average weekly sleep duration per day with reference to pubertal... | Download Scientific Diagram
How Much Sleep Do Fitbit Users Really Get? A New Study Finds Out
How Much Sleep Do You Need? - Virtual Sleep Labs
Stages of Sleep: What Happens in a Sleep Cycle | Sleep Foundation
Sleep Needs by Age and Gender - Hours of Sleep Needed - Start Sleeping
Average Sleep Duration | Wondering Maps
Sleep Duration in Europe – Landgeist
