Your circadian rhythm is your body’s internal clock, guiding when you sleep, wake, and feel alert. This easy-to-follow guide explains what the circadian rhythm is, why it matters, and how to keep it on track for better sleep and healthier days.
Sleep Resources
Deepen your understanding of sleep science with these expert resources and educational materials.
Technology can either support or sabotage your sleep—depending on how you use it. This article explores the impact of blue light, sleep trackers, and smart tools, and offers practical tips to help you use tech to enhance (not disrupt) your sleep.
Sleep isn’t just “lights out” for your body—it’s an active process made up of distinct stages that each play a vital role in your health. In this guide, we break down the four sleep stages, including deep sleep and REM sleep, to help you better understand what happens while you sleep—and how to make each…