Quiz: The Science of Sleep

Medically Reviewed by Jennifer Robinson, MD on January 19, 2022
Question 1/8

You can’t move during REM sleep.

  • True
  • False
Question 2/8

Adults need less sleep as they age.

  • True
  • False
Question 3/8

This creature remains conscious while it sleeps:

  • Dolphin
  • Tiger
  • Monkey
Question 4/8

If you go to bed at 10 p.m., which wake-up time will make you most refreshed?

  • 5:30 a.m.
  • 6 a.m.
  • 6:30 a.m.
Question 5/8

Don’t wake up a sleepwalker.

  • True
  • False
Question 6/8

If you nap for longer than 30 to 60 minutes, you may:

  • Disrupt your nighttime sleep
  • Have a hard time waking up
  • Both
Question 7/8

If you wake up in the middle of the night to use the bathroom:

  • Turn on the light
  • Keep the room dark
Question 8/8

How much time do you spend dreaming on an average night?

  • 30 minutes
  • 1 hour
  • 2 hours