Sleep fun facts…

Danielle Reysen
child sleeping

Here are some sleep fun facts…

  1. Humans spend a third of their life sleeping (25 years or more).
  2. Humans can survive longer without food than they can without sleep.
  3. During the first two years of a baby’s life, new parents will miss six months of sleep on average.
  4. Giraffes sleep only 1.9 hours a day in five- to 10-minute sessions. Koalas, however, are the longest-sleeping mammals, sleeping up to 22 hours a day.
  5. Only one half of a dolphins brain goes to sleep at a time. Dolphins are capable of what is known as uni-hemispheric sleep, in which one hemisphere of the brain goes into a deep sleep while the other hemisphere remains awake. This allows dolphins to sleep under water without drowning.
  6. Heart disease, diabetes and obesity all have been linked to chronic sleep loss.
  7. There are more than 84 identified sleep/wake disorders.
  8. The average amount of time people sleep has dropped from nine hours in the pre-light bulb era to seven-and-a-half hours today.
  9. Each year, sleep-related errors and accidents cost U.S. businesses an estimated $56 billion, cause nearly 25,000 deaths and result in 2.5 million disabling injuries.
  10. Over 70 million Americans suffer from a sleep disorder. Of those, over 60% have a chronic disorder.
  11. People whose normal nightly sleep duration is either unusually short (less than four hours) or unusually long (more than nine or 10 hours) have a higher-than-average risk of dying prematurely.
  12. A person’s core body temperature drops to facilitate the onset of sleep. This means that artificial heat sources, such as electric blankets, can negatively affect a person’s quality of sleep.
  13. More than two million children suffer from sleep disorders.
  14. During sleep, the brain “consolidates” memories and skills, meaning that the brain strengthens, reorganizes and restructures memories during sleep.
  15. The National Highway Traffic Safety Administration reported that being tired accounts for the highest number of fatal single car run-off-the-road crashes, even more than alcohol.

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