Why Do We Need Sleep? We tend to think of sleep as a time when the mind and body shut down However, sleep involves many important and necessary processes
How Much Sleep Do You Need? - Sleep Foundation Sleep is essential, but how much sleep do we really need? Learn about how many hours of sleep kids and adults need and read useful tips for better sleep
How Much Deep Sleep Do You Need? - Sleep Foundation Deep sleep gives your body a chance to repair and recover and leaves you refreshed in the morning Learn how much deep sleep you need and how to get more