Why We Sleep

According to the text, which discovery caused the scientists to do more research on sleep and the brain?

• The discovery that there are two hemispheres of the brain.

• The discovery that certain medications affect the brain's performance.

• The discovery that the brain does not shut down when people sleep.

• The discovery that there are different phases of sleep.

__________________________ are patterns of brain activity that can be measure in electric currents.

• adenosine

• REM

• the immune system

• brain waves

If you have a very hard time waking someone up while he or she is sleeping, which stage of sleep is he or she most likely in?

• REM

• stage 3 NREM

• stage 2 NREM

• stage 1 NREM

Our brains don’t __________________ well without enough sleep.

• function

• trigger

• restore

• reorganize

Which of the following might happen the day after you get a poor night's sleep?

• You do poorly on the Science test.

• You score the winning goal in soccer.

• You fix your broken phone.

• You finish all of your homework in class.

Our brains _________________ our memories from short term memory to long term memory.

• trigger

• shuffle

• restore

• monitor

Adenosine is a substance that affects the brain and __________________ sleep.

• monitors

• restores

• reorganizes

• triggers

Tags

NGSS.HS-LS1-3

According to the author, what should you do on the weekend?

• Go to bed and wake up earlier than you do during the week.

• Go to bed later so you can fall asleep easier.

• Sleep in to let your body catch up on rest.

• Go to bed and wake up at the same time as during the week.

The cells and tissues in your body that work to fight infection are the ___________________________.

• immune system

• adenosine

• illnesses

• REM stages

Researchers ________________ brain activity to understand how sleep works.

• skip over

• trigger

• monitor

• switch