If your mental health has been declining, your sleep-wake cycle may be to blame, according to a new review of literature. Taylor Leamey wrote about all things wellness for CNET, specializing in mental ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

The internet claims waking at the end of a sleep cycle will leave you refreshed, but experts aren’t convinced. By Clarissa Brincat Published Sep 9, 2025 9:00 AM EDT Image: DepositPhotos Get the ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

We often treat sleep like a luxury we can "catch up on" over the weekend, but your brain sees it differently. Sleep isn’t just downtime; it is an active biological process where your body repairs ...

If you keep waking up tired, your evening routine might be quietly draining your energy more than you realize. The good news ...

Most biochemical reactions accelerate as temperature increases, but our daily circadian rhythms, which are underlain by gene regulatory and biochemical networks, remain constant, even as temperatures ...

A large-scale study presented at the American Heart Association's (AHA) Scientific Sessions 2025 revealed a significant association between long-term melatonin use and an increased risk of heart ...