Research suggests that later school start times can improve daytime ... Some people (called "larks") wake up early and go to bed early, whereas others ("owls") wake up later and stay up late.

While I absolutely hated waking up early for the first few days – and those days were the worst – it paid off.

Jocko Willink: Waking up early? You just get a jump on the day. The reason I wake up at 4:30 in the morning ... say goodbye to your kids before they go to school? It's infinitely better than ...

“The idea that we’re all designed to wake up early – and having a society that revolves around this – is highly problematic,” she explains. “While traditional work and school schedules ...