Are You A Sleep Guru?

25 Questions | By Zanuttohailey | Last updated: Mar 14, 2022 | Total Attempts: 77

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Test your sleep knowledge. Learn cool sleep facts. Impress your friends. Sleep Well.

Questions and Answers

1.

Select the different stages of sleep
- A.
  
  Rapid Eye Movement (REM)
- B.
  
  Dead Asleep
- C.
  
  Non Rapid Eye Movement (NREM)
- D.
  
  Dosing (Half Sleep)
2.

How long is an average sleep cycle?
- A.
  
  24 hours
- B.
  
  90 Minutes
- C.
  
  8 Hours
- D.
  
  1 Week
3.

What hormone is released into your bloodstream that alerts your body that it is time to get ready to sleep?
- A.
  
  Cortisol
- B.
  
  Keratin
- C.
  
  Melatonin
- D.
  
  Testosterone
4.

True or False: Melatonin is an effective sleep aid.
- A.
  
  True
- B.
  
  False
5.

True or False: Melatonin supplements are not regulated by the FDA.
- A.
  
  True
- B.
  
  False
6.

True or False: All living organisms need sleep, including bacteria.
- A.
  
  True
- B.
  
  False
7.

Fill In The Blank: You experience dreaming during the [Blank] sleep stage.
8.

How does your body stop you from acting out your dreams?
- A.
  
  Your brain makes your body feel really heavy.
- B.
  
  Your brain temporarily paralyzes your body.
- C.
  
  You act them out but only with your hands.
- D.
  
  Your brain wakes you up if you're going to act them out.
9.

Adenosine is the chemical that builds up "sleep pressure" in your brain. The more adenosine builds up the sleepier you feel. How does caffeine interact with adenosine? Mark all that apply.
- A.
  
  Blocks adenosine receptors in your brain.
- B.
  
  Clears out all adenosine.
- C.
  
  Temporarily mutes adenosine.
- D.
  
  Creates more adenosine.
10.

True or False: After years of consciously trying to scientifically organize the elements, Dmitri Mendeleev finally came up with the Periodic Table of the Elements in a dream.
- A.
  
  True
- B.
  
  False
11.

The opening notes to this classic song came to this legendary guitarist while he was dreaming.
- A.
  
  Jimmy Page - Stairway to Heaven
- B.
  
  Keith Richards - Satisfaction
- C.
  
  Angus Young - Back in Black
- D.
  
  James Hetfield - Enter Sandman
12.

True or False: If you smell a scent while you are learning something and then smell that same scent again during NREM sleep, you will notice significant improvement in retention when you go to retrieve those memories later.
- A.
  
  True
- B.
  
  False
13.

Fill In The Blank: Two groups are given a flu shot. One group slept normally in the days before their vaccination, the other group had 4 hours of sleep every night for 4 days. In the week following their vaccinations, their flu antibody levels were tested. Scientists found that the sleep deprived group had [Blank] then half the number of antibodies as the well-rested group.
14.

"Natural Killer Cells" are your bodies' natural defense against cancer cells. After just one night of 4 hours of sleep, what is the percentage drop in your Natural Killer Cells count?
- A.
  
  10% more
- B.
  
  20% less
- C.
  
  70% less
- D.
  
  5% less
15.

True or False: The link between a lack of sleep and cancer is so strong that the World Health Organization called sleep-affecting shift work a probable carcinogen.
- A.
  
  True
- B.
  
  False
16.

What are some of the side effects of sleep deprivation? Select all that apply.
- A.
  
  Paranoia
- B.
  
  Emotional Instability
- C.
  
  Low Body Temperature
- D.
  
  Hallucinations
17.

If you are sleep deprived, how many full nights of sleep will it take to repay your "sleep debt" and to get your brain back to previous performance levels?
- A.
  
  Just one night
- B.
  
  One week
- C.
  
  You cannot really repay sleep debt
- D.
  
  12 Hours
18.

Medical Resident Interns regularly work 30-hour shifts. Residents and patients alike suffer consequences of this sleep deprivation. Select which statistic below does not describe some of these consequences.
- A.
  
  Residents make 460% more diagnostic errors in the ICU
- B.
  
  1 in 20 residents will kill a patient due to fatigue related errors
- C.
  
  A 170% increase in risk of a major surgical error due to fatigue
- D.
  
  Residents are 10% more likely to leave surgical instruments in patients after surgery
19.

What percentage of the population suffers from chronic insomnia?
- A.
  
  About 25%
- B.
  
  About 10%
- C.
  
  About 2%
- D.
  
  About 50%
20.

Cortisol levels spike in insomniacs before bed when a normal sleeper's cortisol levels would usually drop off. What is the Cortisol hormone associated with?
- A.
  
  Hunger
- B.
  
  Emotional Regulation
- C.
  
  Thermal Regulation
- D.
  
  Fight or Flight Response
21.

True or False: If you cannot sleep, medication like Ambien is an effective long-term treatment.
- A.
  
  True
- B.
  
  False
22.

Fill In The Blank With Numbers: People need between [Blank] and [Blank] hours of sleep a night to stay healthy and function at their best.
23.

Cognitive Behavioral Therapy for Insomnia (CBT-I) is personalized sleep therapy established with a therapist. What do you think the long term improvement is like for insomniacs who complete CBT-I?
- A.
  
  If there are any improvements in sleep efficiency they are mild
- B.
  
  20% improvement in sleep efficiency for as long as they were in treatment, but not after treatment
- C.
  
  20% improvement in sleep efficiency, sustained for up to 10 years after treatment
- D.
  
  10% improvement in sleep efficiency, sustained for up to 6 months after treatment
24.

Parasomnias are disruptive sleep disorders that include things like sleep walking, sleep talking, teeth grinding, sleep texting and restless leg syndrome. These and other parasomnias can be triggered by what? Check all that apply.
- A.
  
  Depression
- B.
  
  Stress
- C.
  
  Medication
- D.
  
  Alcohol
- E.
  
  Fevers
- F.
  
  Sleep Deprivation
25.

What parts of the brain are activated during REM sleep? Check all that apply.
- A.
  
  Amygdala (Emotions)
- B.
  
  Lateral Prefrontal Cortex (Logical Reasoning)
- C.
  
  Visual Cortex
- D.
  
  Hippocampus (Memory)