1. Which age group needs the most sleep? Disney Newborns (up to 3 months old) Correct Incorrect Newborns (up to 3 months old) Infants (four to 11 months) Correct Incorrect Infants (four to 11 months) Toddlers (1-2 years) Correct Incorrect Toddlers (1-2 years) Preschool kids (3-5 years) Correct Incorrect Preschool kids (3-5 years) School-age kids (6-13 years) Correct Incorrect School-age kids (6-13 years) Tweens and teens (13-17 years) Correct Incorrect Tweens and teens (13-17 years) Correct! Wrong! Newborns (up to 3 months old) The National Sleep Foundation says that newborns typically need the most sleep (about 14-17 hours per day!). Here's the rest of the breakdown: Infants need 12-15 hours, toddlers need 11-14 hours, preschoolers need 10-13, school-age kids 9-11, and teens and tweens, 8-10 hours. 2. Which of the following is not a tip for getting a good night's sleep? Getty Images Go to sleep and wake up around the same time every day Correct Incorrect Go to sleep and wake up around the same time every day Exercise right before bed to tire yourself out Correct Incorrect Exercise right before bed to tire yourself out Avoid caffeine late in the day Correct Incorrect Avoid caffeine late in the day Avoid nicotine late in day Correct Incorrect Avoid nicotine late in day Correct! Wrong! Exercise right before bed to tire yourself out Exercising 20-30 minutes per day is recommended for getting better sleep, but no later than a few hours before bed. For many people, exercising too close to bedtime can be overstimulating and make it tough to sleep. All the rest of the tips are accurate (and you can find more at the National Sleep Foundation). 3. Which of the following is one of the times of day when most people sleepiest? Disney Right after they eat lunch Correct Incorrect Right after they eat lunch Right after they wake up Correct Incorrect Right after they wake up 1-3 p.m. Correct Incorrect 1-3 p.m. 11 p.m.-1 a.m. Correct Incorrect 11 p.m.-1 a.m. Correct! Wrong! 1-3 p.m. According to the National Sleep Foundation, the period of time between 1 and 3 p.m. is when most people experience the strongest sleep drive. And the other time most people feel sleepiest is 2-4 a.m. These can vary depending on when you're a "morning person" or "evening person." 4. The ___________ regulate periods of sleepiness and wakefulness throughout the day. Disney Melatonin uptakes Correct Incorrect Melatonin uptakes Circadian rhythms Correct Incorrect Circadian rhythms Brain's sleep center neurons Correct Incorrect Brain's sleep center neurons All of the above Correct Incorrect All of the above Correct! Wrong! Circadian rhythms Circadian rhythms regulate when you feel alert or sleepy — they're what make you want to take that nap between 1 and 3. 5. Roughly ___ of adults talk in their sleep, and sleep talking is more common among ___. Getty Images 2/3, men Correct Incorrect 2/3, men 1/3, the elderly Correct Incorrect 1/3, the elderly 1/2, women Correct Incorrect 1/2, women 2/3, people who get migraines Correct Incorrect 2/3, people who get migraines Correct! Wrong! 2/3, men About 67% of adults talk in their sleep at least once every three months. And it turns out that the behavior is more common among men. 6. Blue light emitted by some electronics makes it harder to fall asleep, which is why some people use apps to filter it out. How does this blue light affect your ability to sleep? Getty Images The blue light tells your visual cortex to keep your eyes open Correct Incorrect The blue light tells your visual cortex to keep your eyes open The blue light suppresses the release of melatonin, a sleep-inducing hormone Correct Incorrect The blue light suppresses the release of melatonin, a sleep-inducing hormone The blue light causes your brain's anxiety center to get activated Correct Incorrect The blue light causes your brain's anxiety center to get activated All of the above Correct Incorrect All of the above Correct! Wrong! These electronics emit a blue light that suppresses the release of melatonin, a sleep-inducing hormone. Basically, the blue light these devices emit suppresses melatonin, which in turn reduces the amount of REM sleep you get in a night. You can learn more about electronics before bed and blue light from the National Sleep Foundation. 7. Which of the following describes REM sleep? Getty Images The period of time between falling asleep and being fully asleep Correct Incorrect The period of time between falling asleep and being fully asleep The phase of deepest and most restorative sleep Correct Incorrect The phase of deepest and most restorative sleep The phase when your body becomes immobile and you dream Correct Incorrect The phase when your body becomes immobile and you dream None of the above Correct Incorrect None of the above Correct! Wrong! The phase when your body becomes immobile and you dream According to the National Sleep Foundation, sleep happens in cycles that repeat themselves about every 90 minutes. The first stage, which is called N1, includes falling asleep and light sleep. N2 is the onset of sleep when your breathing becomes regular, you detach from your surroundings, and your body temperature drops. N3 is the deepest and more restorative phase of sleep when growth hormone is released, blood pressure drops, and your breathing slows. REM starts about 90 minutes after falling asleep and recurs throughout the night. During this phase, your eyes dart back and forth, your brain is engaged, and you dream. 8. After age 60, nighttime sleep tends to: Getty Images Be longer and deeper Correct Incorrect Be longer and deeper Be shorter and lighter Correct Incorrect Be shorter and lighter Bring fewer dreams Correct Incorrect Bring fewer dreams Be interrupted by snoring Correct Incorrect Be interrupted by snoring Correct! Wrong! Be shorter and lighter According to the National Institutes of Health, after age 60, people's sleep at night is shorter, lighter, and interrupted by waking up several times. 9. True or false: human beings are the only species that intentionally delay sleep. Getty Images True Correct Incorrect True False Correct Incorrect False Correct! Wrong! True The National Sleep Foundation says that us humans are the only ones in the animal kingdom who willingly delay sleep. 10. If you're on a healthy sleep schedule, it should take you _______ to fall asleep. Warner Bros. 1-10 minutes Correct Incorrect 1-10 minutes 10-20 minutes Correct Incorrect 10-20 minutes 20-30 minutes Correct Incorrect 20-30 minutes 30-40 minutes Correct Incorrect 30-40 minutes Correct! Wrong! 10-20 minutes If you're falling asleep quicker than 10 minutes in, or taking more than 20 minutes to drift off, it could mean you're sleep deprived or have sleep onset insomnia, respectively. 11. You know when you're drifting off and all of a sudden you're yanked awake by the sensation that you're falling? These are called sleep starts. What is the more technical term for this phenomenon? Netflix Hypnic jerks Correct Incorrect Hypnic jerks Parasomnias Correct Incorrect Parasomnias Cerebral jumps Correct Incorrect Cerebral jumps Hypnotic jerks Correct Incorrect Hypnotic jerks None of the above Correct Incorrect None of the above Correct! Wrong! Hypnic jerks Sleep starts are also known as hypnic jerks. They occur when you're drifting off to sleep and are simply involuntary muscle twitches in your arms, legs, or other parts of your body. It's not clear why they happen, although there are some theories, like the idea that as you fall asleep your brain misunderstands your muscles relaxing as a signal that you're falling and responds by tensing your muscles to protect you during impact. 12. Going without sleep for _______ hours could impair you about as much as someone with a BAC of .05 (aka mild impairment) from alcohol. For reference, the legal limit for driving in all 50 states is .08. Getty Images 9-11 Correct Incorrect 9-11 11-13 Correct Incorrect 11-13 13-15 Correct Incorrect 13-15 15-17 Correct Incorrect 15-17 17-19 Correct Incorrect 17-19 19-21 Correct Incorrect 19-21 21-23 Correct Incorrect 21-23 Correct! Wrong! 17-19 A small 2000 study found that subjects who were awake for 17-19 hours performed tasks involving reaction time, vigilance, hand-eye coordination, and more about as well as (or worse than) people with a BAC of .05 after drinking alcohol.