Why Do You Wake Up at 3am? Causes and What Helps
Waking around 3am most nights? It's usually the shift between sleep cycles plus a rise in cortisol. Here's what sets it off and how to settle back to sleep.
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Circadian Rhythm: How Your Body Clock Shapes Your Day
Your circadian rhythm quietly runs your sleep, energy, hormones and appetite. Here's how this internal body clock works and the simple daily habits that help keep it on track.
What Do Dreams Mean? A Simple, Science-Based Guide
Dreams are less a secret code than a mix of emotions, memories and the themes of your day. Here's what science says, how to read dream symbols sensibly, and when nightmares deserve attention.