Sleep-tracking apps: Can they really help you rest easy?

Two examples of sleep-tracking apps are shown.

What tracking apps taught me about how I sleep.

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    Google: We’re parting with the climate change skeptics at ALEC

    Google: We’re parting with the climate change skeptics at ALEC

    Google used to support the Koch-backed group on “unrelated” issues. Now the search giant is singing a different tune.

    We know the password system is broken. So what’s next?

    We know the password system is broken. So what’s next?

    Companies are dabbling in biometrics, but it’s far from easy to perfect.

    Google+ was never a good social network. But it didn’t have to be.

    Google+ was never a good social network. But it didn’t have to be.

    Google+ is fading away, but it leaves at least one legacy for Google: the unifying login and its value to advertisement.

    Mobile industry makes the pro-goodies case for non-neutral networks

    Mobile industry makes the pro-goodies case for non-neutral networks

    The head of a major wireless group strikes back against hints of a ban on “differentiation” on the mobile Internet.

    Video

    Sizing up the iPhone 6 Plus

    Sizing up the iPhone 6 Plus

    The Post's Hayley Tsukayama puts Apple’s newest phone to the test. Is the big screen worth it?

    How airlines explain net neutrality

    How airlines explain net neutrality

    A reader points to an analogy that helps put a highly abstract, ideological debate in concrete terms.

    Apple sells a whopping 10 million iPhones in opening weekend

    Apple sells a whopping 10 million iPhones in opening weekend

    And that was without any being sold in China.

    New XPRIZE wants to disrupt education

    New XPRIZE wants to disrupt education

    The competition envisions a new model for education that is cheap, abundant and scalable.

    The Switchboard: Google and others feel crush of Chinese Internet clamp down

    The Switchboard: Google and others feel crush of Chinese Internet clamp down

    Your morning helping of hand-picked stories from the Switch team.

    Want innovation? Come to flyover country.

    Want innovation? Come to flyover country.

    Silicon Valley doesn’t have a monopoly on creating America’s future.

    Commentary: The wins and losses from Apple’s new product lineup

    Commentary: The wins and losses from Apple’s new product lineup

    Ted Leonsis discusses the business implications of Apple’s new products.

    Meet the local company that just raised $400 million

    Meet the local company that just raised $400 million

    Arlington-based Privia Health is a growing network of physicians that plans to expand across the nation.

    Local wearable tech firms react to the Apple Watch debut

    Local wearable tech firms react to the Apple Watch debut

    Executives say the device could help makes consumers comfortable with wearing computers on their bodies.

    Evernote Food app has ingredients for recipe organization

    Evernote Food app has ingredients for recipe organization

    Free app from the maker of note-keeping service stores online recipes for users and even suggests other recipes.

    Will Microsoft kill off the Minecraft marketplace?

    Will Microsoft kill off the Minecraft marketplace?

    The $2.5 billion purchase is raising questions for Minecraft’s biggest fans.

    Photos

    iPhone 6 sales begin

    iPhone 6 sales begin

    Customers around the world flock to Apple stores for the release of the device.

    CIO VanRoekel steps down, returns to USAID

    Deputy administrator Lisa Schlosser will serve as interim CIO.

    So, this exists: A working car has been 3D-printed out of carbon fiber plastic

    So, this exists: A working car has been 3D-printed out of carbon fiber plastic

    Scientists say carbon fiber polymers can make cars lighter, safer and more fuel efficient. Here’s one vision of that future.

    App game Alone takes a stylish swipe at space travel

    App game Alone takes a stylish swipe at space travel

    In side-scroller game, users navigate a rocket ship past obstacles such as asteroids, comets and stalactites.

    Online court archive PACER says it will restore access to missing records

    Online court archive PACER says it will restore access to missing records

    Access to some archives of five courts, including four U.S. federal appellate courts, were removed last month with little public notice.

    Video

    iPhone black market surges in Hong Kong

    iPhone black market surges in Hong Kong

    As Apple awaits approval to sell the iPhone 6 in China, resellers in Hong Kong are turning a tidy profit.

    Pentagon effort seeks to retain U.S.’s technological edge

    Pentagon effort seeks to retain U.S.’s technological edge

    Concerned that the U.S. is losing ground to Russia and China, the Pentagon is promoting industry innovation.

    Video

    Alibaba prices IPO at $68 per share

    Alibaba prices IPO at $68 per share

    Alibaba, the Chinese e-commerce powerhouse has priced its initial public offering of stock at $68 per share, valuing the company $167.6 billion.