What's your sleep IQ?

woman with sleep mask on
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Few things are better than a good night's sleep — that blissful state when the body is suspended for periods of glorious unconsciousness. But what else do you know about catching the proverbial Zs? Find out if you're a sleep genius and take our quiz.

Question 1 of 16

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Sleep record
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What's the longest anyone has gone without sleep?

In 1977, Maureen Weston achieved the Guinness World record for staying awake for 449 hours (14 days 13 hours) during a rocking chair marathon.

Question 2 of 16

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Having a nightcap
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Which of these will help improve your sleep?

Alcohol may help you fall sleep initially, but it actually increases the number of times you awaken during the night.

Question 3 of 16

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Boy reading in bed
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If you have children in elementary school, how many hours a night should they sleep?

The American Academy of Sleep Medicine recommends children ages 6 to 12 get 9 to 12 hours of sleep on a regular basis to promote good health.

Question 4 of 16

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Male and female avatars
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Do men or women suffer from insomnia more?

According to the National Sleep Foundation, insomnia is nearly twice as common in women than in men.

Question 5 of 16

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Woman running up stairs at sunrise
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Exercise is not helpful for good sleep when it is done:

Sleep experts advise people to avoid strenuous workouts right before bed and even up to three hours before they hit the sack.

Question 6 of 16

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Portrait of a sleeping gray cat
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How much do cats sleep, on average, per day?

Kitties snooze for about two thirds of the day, which means a 9-year-old kitty has slept for six years of its life.

Question 7 of 16

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Rip Van WInkle
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How long did Rip Van Winkle sleep?

The titular character of Washington Irving's short story, published in 1819, conked out for 20 years and slept right through the American Revolution.

Question 8 of 16

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Sleep needs
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Which age group requires the most sleep?

Contrary to what the parents of teens may think, newborns need the most sleep per day — up to 18 hours — to develop and function properly.

Question 9 of 16

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Which of the following is not a complication of chronic insomnia?

If only insomnia's silver lining was weight loss! Ironically, insomnia plays tricks with the hormone leptin, which could eventually lead to weight gain.

Question 10 of 16

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Sleeping sloth
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Which of these animals sleeps the most?

Brown bats sleep for nearly 20 hours! Three-toed sloths and platypuses snooze for about 14 hours, and a European hedgehog goes for about 10.

Question 11 of 16

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Drowsy driving
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Which of the following will help keep a drowsy driver awake?

With drowsiness caused by sleep deprivation, opening the car window or turning up the tunes may arouse a sleepy driver briefly, but these actions are not enough to keep a driver alert enough to be behind the wheel.

Question 12 of 16

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Sleep tight
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The term "sleep tight" comes from:

Although some sources suggest sleeping tight was about the ropes that were a part of early beds, expert etymologists say that the word "tightly" used to be used for "soundly, properly, well" and the plea to sleep tight just meant to sleep well.

Question 13 of 16

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Sleep apnea
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Sleep apnea, in which abnormal pauses in breathing occur, happens to:

Along with people, some dog breeds with short snouts — like pugs and English bulldogs — are also prone to the disorder.

Question 14 of 16

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King Louis XIV
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King Louis XIV of France often held court from bed. How many beds did he have?

The Sun King had at least 413 beds throughout his estates, and most of them were adorned with gold, silver, pearls and elaborate carvings.

Question 15 of 16

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NIght shift
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Which man-made disaster happened during the night shift?

All three took place between 12 a.m. and 4 a.m. and were found to be caused by errors linked to excessive sleepiness. Shift workers suffer because they work when the body naturally wants to sleep.

Question 16 of 16

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Sleep naked
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60 to 66 degrees is the ideal sleeping range for those who wear pajamas. What temperature do people who sleep in the nude prefer?

When people sleep in the buff, body heat is released more easily; as a result, people who sleep with no clothes on do so most comfortably in a considerably warmer room.