Following deep sleep, REM sleep is the next critical phase of sleep cycles, characterized by more dreaming that’s also extra ...

Memory foam vs. hybrid mattresses—what's the difference? And which is better for you? We consulted experts to guide you ...

We've tested several beds from Saatva, but this is our first memory foam model. See our thoughts on the brand's new addition ...

Two things happened [next] that were obviously [signs that] something was going on. I was boiling an egg. I left it on the ...

A new study published in Cognitive, Affective, & Behavioral Neuroscience provides evidence that electrical stimulation of the ...

Nuri Jeong remembers the feeling of surprise she felt during a trip back to South Korea, while visiting her grandmother, ...

WSJ’s Joanna Stern tested it by asking it to analyze her cursing habits. Photo Illustration: JJ Lin/WSJ I’ve been wearing a wire everywhere since February. I’ve got all the transcripts ...

Memory foam vs hybrid mattress is one of the biggest decisions you'll need to make when buying a new mattress. They each have wildly different feels and performance, with memory foam cradling the ...

An illusion that warps our perception of time – altering our recollection of events to make it seem as if they occurred further into the past – may force a rethink of our existing theories of ...