Answers to Your Questions about Sleep | Simply Good Sleep
Sleep Needs by Age and Gender - Hours of Sleep Needed - Start Sleeping
Kids and Teens Really Need to Sleep In | by Robert Roy Britt | Medium
Why Moms Need More Sleep and How to Get it - TrueDark®
How Many Hours Of Sleep You Need Each Night According To Your Age
How Much Sleep Do We Really Need? | Sleep Foundation
Percentage of Adults Who Reported an Average of Less Than or Equal to 6 Hours of Sleep per 24-Hour Period, by Sex and Age Group --- United States, 1985 and 2004
Seven or more hours of sleep per night among U.S. adults by age 2014 | Statista