Everyone has heard that it's vital to get seven to nine hours of sleep a night, a recommendation repeated so often it has become gospel. Get anything less, and you are more likely to suffer from poor ...

Sleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of ...

I started testing the Eight Sleep Pod 4 — a fancy hydropowered mattress cover — as part of a project to try various bed-cooling systems that go beyond what a cooling mattress or crisp percale sheets ...

Sleep Number mattresses are premium smart beds, outfitted with adjustable firmness levels, sleep tracking sensors and Bluetooth-enabled responsive features—and they can even be paired with a Sleep ...

An admission: I’m one of those people who will entertain most things on the spiritual front. You think Mercury retrograde is ruining your life? I can relate. You had a gut feeling that turned out to ...

Serrano is a contributor for TIME. Serrano is a contributor for TIME. Imagine what else you could do with the hours you spend unconscious each night. Oh, the things you could accomplish! But if you’re ...

If you’re a person with attention deficit hyperactivity disorder (ADHD), and you feel like you’re in a nightly battle against your own brain’s ability to power down, you’re actually…not wrong, science ...

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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. April 22, 2024 Add as ...

A new review of research evidence has explored the key differences in how women and men sleep, variations in their body clocks, and how this affects their metabolism. A new review of research evidence ...

Sleep is as essential to our health as food and water. It is important to a number of brain functions, including how nerve cells communicate with each other. We sleep for a third of our lives and ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...