Sleep Time & Age
How much sleep do you really need? | Sleeping with Science, a TED series
Ask Dr. Park: How Much Sleep Should an Adult Get Each Night?
Science Explains How Much Sleep You Need Depending on Your Age
How lack of sleep affects different age groups | Ohio State Medical Center
How Much Sleep Do Children Need? | Insomnia
How is Sleep Related to Obesity? Sleep Epidemiology
Lack of Sleep is Killing You | Fix Your Sleep
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
Mayo Clinic Minute: How much sleep do kids need?
The Danger of Sleeping Too Much
How Sleep Affects Your Brain
How Much Sleep Does Your Child Need?
How Much Sleep Do Older Adults Need?
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Best and Worst Times to Sleep
Sleep stages and circadian rhythms | Processing the Environment | MCAT | Khan Academy
Why some women in their 40s can't sleep
Who needs more sleep younger people or older people? Sleep Myths Debunked