Experts say teens are biologically programmed to go to sleep later and wake up later than other age groups.

专家表示，与其他年龄群体相比，青少年应该睡的迟，醒来的也迟。

youdao

If you don't like wearing earplugs or an eye mask when you fall asleep, keep them on your bedside table in case you wake up later.

如果你睡觉的时候不喜欢戴耳栓或眼罩，把他们放在你的床头桌上，以防你晚些时候醒来要用。

youdao

If you begin waking up early, you might be tired for a few days … and eventually, you will be forced either to go to sleep earlier or wake up later. One or the other.

如果你才开始早起，可能头几天你会感到很累……最后，你不得不在早睡和晚起之间做出选择。

youdao

She had gone to bed only to wake up hours later because her neck felt as if it were on fire.

CNN: Ticks causing mysterious meat allergy

So a few hours later, I wake up -- and I'm feeling terrible.

WHITEHOUSE: The White House

Sooner or later the American people will wake up.

CNN: Perot launches grassroots campaign for Clinton's resignation