Fitbit kicked off this trend when it released the first tracker in 2009.Little more than a glorified pedometer at the time, the Fitbit couldn’t monitor your heart rate, pay for anything, or even tell you the time.Fears over bad sleep are getting the TED treatment and topping best-seller lists.

Disney+ is peaking and Google is sneaking, but first, a cartoon about podcasting while working .Here's the news you need to know, in two minutes or less.A new report from the Wall Street Journal details a partnership between Google and Ascension, the nation's second-largest health system.

“Sleep is like the dishwasher of the brain,” Prather explains in WIRED’s latest “Five Levels ” video.But Prather says all phases, from the lightest slumber to the deepest unconsciousness, are important processes that allow our brains and bodies to recover from the previous day and can help us learn and remember information better.

Brains are cleaning and planes are intervening, but first: a deadly Halloween cartoon .Here's the news you need to know, in two minutes or less.Scientists now know how sleep cleans toxins from the brain.

Lewis outfitted the participants with an EEG cap so she could look at the electrical currents flowing through their brains.“It’s a fantastic paper,” says Maiken Nedergaard, a neuroscientist at the University of Rochester who led the 2013 study that first described how sleep can clear out toxins in mice.

Whatever the case, our baby seemed fine, and we resolved to turn the irksome air quality monitor off.

Fu and her colleague and spouse Louis Ptáček, both at the University of California, San Francisco, had just identified a gene mutation that significantly decreased how many hours someone needs to sleep .

It’s a far cry from the spacious beds we have on Earth, but it’s still better than the shared sleeping compartment on the space shuttle, which Mike Massimino , a former NASA astronaut, describes as “a big slumber party.” The trick, Massimino says, was to remember to strap your sleeping bag to the wall so your body wouldn’t drift around during the night.

Murray, who admits to being a snorer himself, says Sleeptracker uses technology to help people in two ways: “through information, at a time when people are craving that, and by helping them to automatically sleep better when they’re in bed.” He hopes that it will earn the company a new cohort of snore-free, easy-sleeping customers.

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After Walker’s talk, he was mobbed by acolytes in the conference center desperate to tell him how much his book—which covers the same topic as his TED talk—changed their lives, how they’d given up caffeine and alcohol and stopped feeling bad for leaving parties early to get sleep or refusing to look at work emails in bed.

Matteo Franceschetti began optimizing his life long before he started a tech company dedicated to sleep: heart rate monitored on an Apple Watch , a ketogenic diet, Peloton exercise bikes —one at home, one in the office.

It projects a warm, soft glow that gradually dims as you fall asleep, and then brightens like a sunrise when it's time to wake up. For Casper, the Glow is just the beginning of a new kind of multi-sensory sleep experience.

Someday, it could even be more soothing than sleeping in, say, a house.“We can isolate a passenger’s body, and input frequencies that help people relax and fall asleep” in the same way that a hammock or rocking chair can help people chill out, Currier says.Cabin used off-the-shelf components, like a cheap Raspberry Pi computer and the electric motor from a hoverboard scooter, to move the bed up and down quickly enough to cancel out the lumps and thumps in the road.