Getting older can affect the quality and duration of sleep. Learn more about the complex relationship between aging and sleep and how to get better rest.| Sleep Foundation
Many research studies suggest that diet and nutrition impact sleep. Learn which foods to eat and which to avoid if you want healthy sleep.| Sleep Foundation
Losing sleep may counter efforts to lose weight and even lead to weight gain. Learn more about the complex relationship between weight and sleep.| Sleep Foundation
Healthy sleep consists of distinct stages. We break down the defining traits of each stage and how they differ from one another.| Sleep Foundation
Our editorial policy is the driving force of our high standard for quality. Learn about the methods we employ to produce accurate, unbiased content| Sleep Foundation
Circadian rhythms are natural, 24-hour patterns that play a vital role in the sleep-wake cycle. Learn more about how they work and how to keep them aligned.| 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 ready useful tips for how to get them.| Sleep Foundation