Sleep is essential, but what if humans tried to stay awake forever? Science reveals the terrifying toll — from hallucinations and memory loss to organ failure and eventual collapse.

For an activity most of us spend about a third of our lives doing, there’s a lot scientists still don’t understand about sleep, including why we evolved to do it in the first place. But experts do ...

Sleep, well-being, and longevity are all inextricably linked. Here's how to maximize all three at the same time.

Researchers have identified five distinct profiles that map to certain brain signatures. Each profile is tied to certain ...

Generally, someone could survive weeks without food and a few days without water, but research is lacking due to the ethics of studying starvation.

You might be tempted to sleep in after a late night—but scientists have found that it’s better for your brain and heart health to stick to your regular schedule. The key to better sleep may not be ...

People with idiopathic hypersomnia sleep up to 18 hours daily yet never feel rested. New research reveals the devastating ...

This is read by an automated voice. Please report any issues or inconsistencies here. If you’ve been waking up feeling like your brain is still buffering, the solution might not be in another ...

A team of Arizona Republic reporters fanned out across metro Phoenix to talk to the unhoused. Here are their stories.

Save this article to read it later. Find this story in your account’s ‘Saved for Later’ section. If you’re like us, you’ve probably wondered what everyday stuff famous people add to their carts — like ...

While Mighty Morphin Power Rangers was the debut of the Power Rangers franchise, the series is based on the Super Sentai franchise, with Mighty Morphin being based specifically on Kyoryu Sentai ...