Sleep

• The best sleep tracker for 2026, tested and reviewed - Monitor your sleep habits and learn how to improve your nightly z's with the help of our favorite sleep trackers from brands like Oura and TicWatch.
• Nodding off is dangerous. Some animals have evolved extreme ways to sleep in precarious environments - Sleep is universal “even though it’s actually very risky,” said Paul-Antoine Libourel, a researcher at the Neuroscience Research Center of Lyon in France. For a long time, scientists could only make educated guesses about when wild animals
• Having a Cellphone at Younger Than 12 Could Carry Health Risks, Study Says - Researchers found higher rates of depression, poor sleep and obesity among tweens who had early access to a cellphone.