Why do we need sleep and what happens when we don't get enough? In this introduction to a course about sleeping, learn how research supports its importance.
Your body has an internal clock, and it's called circadian rhythms. In this health and science lesson, Hari discusses how this affects day to day functions.
Stress may be affecting your sleep patterns and general health. In this lesson, discover strategies to help you overcome stress short-term and long-term.
Believe it or not, substances like caffeine and alcohol affect sleep patterns. Learn what you can do if you still want your cup of coffee or post-work drink.
Do you use electronic devices right before going to sleep? In this health and science lesson, learn why you should avoid using phones or laptops after 9pm.
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