How much sleep is enough?

Part 7 of Healthy Sleep Guide. Animal studies suggest that sleep is as vital as food for survival. Rats, for example, normally live 2–3 years, but they live only 5 weeks if they are deprived of REM sleep and only 2–3 weeks if they are deprived of all sleep stages—a timeframe similar to death due […]


What does sleep do for you?

Part 5 of Healthy Sleep Guide. A number of tasks vital to health and quality of life are linked to sleep, and these tasks are impaired when you are sleep deprived. Learning, Memory, and Mood Students who have trouble grasping new information or learning new skills are often advised to “sleep on it,” and that […]