了解今日课堂：

Dialogue :

sleep quality

dialogue 1

Jingjing:　Mark, you look ______.　Is everything ______?

Mark:　Nothing's ______.　I had coffee ______ and had trouble ______ last night.

Jingjing:　I know ______.　I had to quit coffee, for ______ my health.

Mark:　I'd just better ______ it after 2PM or so.　I was ______ for what felt like an hour or two without ______.

Jingjing:　You did the ----- by ______ the bed.　If you'd ______, you might have been up past 3AM.　That's ______.

Mark: ______?　What do you mean?

Jingjing:　Well, a normal night's sleep has ______.　The third—that's ______ —starts when you've usually been asleep for three or four hours already.

Mark:　It seems you ______ about it than I do.　What ______ for a person?

Jingjing:　That's when the body ______.

Mark:　I've given up ______, Jingjing.

Jingjing:　Yeah, but you don't want to ______, do you?　Besides, deep sleep ______ the immune system, and even a person's ______.

Mark:　Then it's a good thing I'm almost always in bed ______, often ______.

Jingjing:　That is good.　Too many people stay up into ______ and ______ their health.

Mark:　I used to do that.　I got to ______, even ______ sometimes.

Jingjing:　If you're going to ______ at the same time most nights, and ______ at the same time almost every morning, ______.

Mark:　If I do ______ one night, how long does it take for me ______?

Jingjing:　If you go into ______, so to speak, you need ______ of sleep for each hour of sleep you've missed.　You start to feel better the third day after ______.

Mark:　I'm not quite sure how ______ there, but I get ______.

Jingjing:　Next time we ______, I'll have more to ______ with you.

dialogue 2

Jingjing:　Mark, would you still like to talk about ______?

Mark:　I ______.　I feel like I have ______ from you on that topic.

Jingjing:　Good.　Do you know how many hours of sleep are ______?

Mark:　I would say ______.　I keep hearing the number ______, but haven't needed that much ______ since I was in my ______.

Jingjing:　According to the Mayo Clinic, 7-8 hours is ______ for an adult.　Everyone between their teenage years and ______ needs that many hours.

Mark:　Wow, a lot of people get ______, thinking they need less sleep after ______.

Jingjing:　Young adults and ______ adults need ______ of sleep.

Mark:　I never knew that.　I thought ______ needed a bit more sleep than ______.

Jingjing: ______.　Teenagers need more sleep.　Anyone ______ needs much more.　Any idea how many hours babies sleep in a day?

Mark:　It's hard to ______.　My baby sleeps ______.

Jingjing:　Experts put it at around ______.

Mark:　That's a lot of ______.　Back to adults: What should someone do if they ______ at bedtime?

Jingjing:　If someone's ______, they have a number of problems to ______.　But just for ______ when it's time to ______, I'd recommend writing in ______ for 20 minutes.

Mark:　Hmm, I haven't done that for a long time.　Next time I have trouble ______, I'll try that.　Novels usually help, even if they're ______.

Jingjing:　That's another great idea.　I have a ______ book on my ______.　Even a few pages of that ______ whatever's troubling me.　The world has so many more problems than I do.

Mark:　I'm glad you don't ______ over the world's problems, Jingjing.

Jingjing:　Almost all of them are ______.　No one's going to ______ except me, though.

Mark:　That's a good way ______.　Thanks for the ideas, Jingjing.

Jingjing:　I'm always ______.

new words and phrases

knock off:

the danger zone:　

the wee hours of the morning:　

an all-nighter:　

shut-eye:　

sleep deprived:　

a worry-wart:　

hit the sack:　

drift off: