Teenagers aren't just lazy. Their sleep hormones aren't calibrated to let them get up and go until later in the morning – which has academic and health consequences when school starts too early.
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Articles on School start times
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A wake-up call for early school mornings?
Sleep deprivation in teenagers as a result of early morning school starts has been a topic of much debate. There's more to this issue than just laziness.
Our memory and attention are at their peak only at certain times during the day. Why would the timing of test not affect students' performance?
