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Mark Zuckerberg built a glowing ‘sleep box’ to help his wife snooze

Facebook CEO Mark Zuckerberg says he’s built a glowing wooden box that helps his wife sleep through the night, as she cares for their children. The invention — dubbed a “sleep box” — emits a faint light between 6 a.m. and 7 a.m., so Zuckerberg’s spouse Priscilla Chan knows the couple’s two toddler daughters are about to wake up, without having to check her phone. “Being a mom is hard, and since we’ve had kids Priscilla has had a hard time sleeping through the night,” Zuckerberg, 34, wrote in an Instagram post. “She’ll wake up and check the time on her phone to see if the kids might wake up soon, but then knowing the time stresses her out and she can’t fall back asleep.” Because the box doesn’t display th ...