did-you-know: Letting teens sleep in could save the US over $9 billion dollars a year. Studies show teenage brains are wired to stay up and wake up late, they need 8 to 10 hours of sleep per night, and that school therefore starts too early. It is
did-you-know: Letting teens sleep in could save the US over $9 billion dollars a year. Studies show teenage brains are wired to stay up and wake up late, they need 8 to 10 hours of sleep per night, and that school therefore starts too early. It is
