That suggests that catch-up sleep may undo some but not all of the damage that sleep deprivation causes, which is encouraging given how many adults don’t get the hours they need each night. Still， Liu isn’t ready to endorse the habit of sleeping less and making up for it later. (CET6-2015.12)
举一反三
- I have to catch ______ my sleep because I didn’t sleep much last night. A: up on B: up with C: on upon D: with on
- Many summer insomniacs ______. A: can't make up for the sleepless nights B: sleep in the afternoons C: can get extra sleep at night D: can never sleep well
- What is TRUE of human sleep A: Most people need less sleep when grow older. B: Most people need seven and a half hours of sleep every night. C: On average, people in the U. S. today sleep less per night than they used to. D: For most people, less than six hours of sleep on a typical work night is enough.
- How many hours do you need to sleep every night according to the video?
- I don't think he ______ now. A: must sleep B: must be sleeping C: can be sleeping D: may sleep