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  1. Teenagers need between 8.5 and 9.25 hours of sleep per night.
  2. REM (rapid eye movement) sleep occurs during the early morning hours of 3:00 AM to 7:00 AM.
  3. One complete sleep cycle is 90 minutes.
  4. 10% of the people who snore while sleeping experience “sleep apnea,” a disorder that can make the snorer stop breathing up to 300 times a night.
  5. Beauty sleep is actually a thing! During sleep, your skin is able to repair any damage (UV rays, dirt, etc.) and regenerates new skin cells.

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  1. Sleeping less than 7 hours a night makes it 3 times more likely to catch a cold.
  2. A 10 to 20-minute nap is all you need to refresh your mind if you’re feeling groggy or tired.
  3. The sleep disorder “insomnia,” in which a person has difficulty falling and staying asleep at night, is more prevalent in women than with men. Insomnia also increases with age.
  4. The act of sleep talking is known as “somniloquy” and takes place during overlapping states of consciousness. The brief outbursts last only 1 or 2 seconds.
  5. More than any other light, blue light suppresses the secretion of “melatonin,” a hormone that controls our body’s internal clock.
  6. Getting less sleep means having a bigger appetite because the leptin levels (an appetite-regulating hormone) decrease.

Sources

  • 1

    National Sleep Foundation. “Teens and Sleep.” 2014. Web Accessed November 5, 2014.

  • 2

    Gordon, Amie. “Your Sleep Cycle Revealed.” Psychology Today, July 26, 2013. Web Accessed November 5, 2014.

  • 3

    Kantra, David S. “A Perfect Night’s Sleep.” Psych Digest, March 2010. Web Accessed November 5, 2014.

  • 4

    The National Sleep Research Project. “40 Facts About Sleep You Probably Didn’t Know…” Australian Broadcasting Company, 2000. Web Accessed November 4, 2014.

  • 5

    Skin Care News. “A Good Night’s Sleep For Great Skin.” 2014. Web Accessed November 5, 2014.

  • 6

    Wolter, Patti. “The big snooze.” SELF, January 17, 2010. Web Accessed November 5, 2014.

  • 7

    Davis, Allison. “PSA: Here’s How to Take the Perfect Nap.” NY Mag, September 3, 2013. Web Accessed November 5, 2014.

  • 8

    National Institutes of Health. “Information about Sleep.” 2003. Web Accessed November 6, 2014.

  • 9

    Wolchover, Natalie. “Why Do People Talk In Their Sleep?” Live Science, March 26, 2012. Web Accessed November 6, 2014.

  • 10

    Harvard Health Letter. “Blue light has a dark side.” May 2012. Web Accessed November 6, 2014.

  • 11

    National Sleep Foundation. “25 Random Facts about Sleep.” 2014. Web Accessed November 6, 2014.

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