Some days, there's nothing like a good nap, even if you know it might keep you up into the wee hours of the night. Have you ever pondered the secrets of sleep? Take this quiz to learn all about sleep and those little jumping sheep.
First things first, do people really even need to sleep?
- Adults don't technically need to sleep, we've just been trained to sleep from infancy.
- Oh we need it all right, things usually get pretty dicey after a few nights of no sleep.
- Sleep isn't an absolute necessity, but it's important if you want to be in top health.
OK, now that we know we need sleep -- got any idea why?
- You sleep to get rid of that tired feeling and recharge your batteries, there's nothing else to it.
- You sleep so you don't age as quickly -- more time asleep means more years on the old biological clock.
- It's a little more complicated than that. Right now the jury's out, but they've got some promising ideas.
Which brain waves are most commonly associated with deep sleep?
- alpha and beta
- kappa and sigma
- theta and delta
Besides a great band, what's R.E.M.?
- R.E.M. is the period of sleep during which brain waves hit levels similar to what you experience when you're awake.
- R.E.M. is the period of sleep when your brain waves are at their slowest levels.
- How should I know? I don't sleep, I dream.
How often do we experience R.E.M. sleep versus N.R.E.M. (non-R.E.M.) sleep?
- In an ideal night, R.E.M. sleep occurs 20 to 25 percent of the time.
- In an ideal night, R.E.M. sleep occurs 5 to 10 percent of the time.
- In an ideal night, R.E.M. sleep occurs 45 to 50 percent of the time.
Reptiles, mammals and birds are all examples of animals that sleep -- but do they all dream?
- Sure do -- every species that zonks out automatically has dreams.
- Nope -- you've got to be a mammal to dream.
- Some do, some don't -- but it's not just us enjoying cinema in our slumbers.
Are dreams completely random, or is there deeper meaning there?
- Nah, dreams don't mean a thing.
- Sort of; dreams are randomly created, but they possibly can provide insight into the nooks and crannies of your noggin.
- Yup, dreams are a window straight into the soul.
How much time does the average person spend dreaming during their lifetime?
- about four years
- about six years
- about eight years
Is there such a thing as too much sleep?
- That's crazy talk -- you can never have too much sleep!
- It's true -- don't forget the concept that you can have too much of a good thing.
- It's true -- but if it helps you rest easier, getting too much sleep still isn't as bad as getting too little sleep.
Ever tried counting sheep when you can't sleep, only to quickly end up contemplating why you're doing something that seems so silly? You're not alone -- let's see if you've know the reason for this crazy-sounding recommendation and whether or not it works.
- Counting sheep usually helps because the monotony of it lets the mind drift off into sleep.
- Counting sheep generally helps because sheep are so fluffy and warm the thought of them makes people drowsy.
- Counting sheep typically doesn't help, because it's too boring for most people to focus on long enough to relax and fall asleep.