Sleep is a naturally recurring state of mind characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings. Facts about sleep is associated with a state of muscle relaxation and reduced perception of environmental stimuli. Sometimes falling asleep can be extremely difficult.

Must Read: Why do we need to sleep?

Check out these Facts About Sleep

  • Humans spend a third of their life sleeping. That’s about 25 years.
  • Parents of new babies miss out on 6 months worth of sleep in the first 2 years of their child’s life.
  • The record for the longest period without sleep is 11 days.
  • An experiment in 1998 found that a bright light shone on the backs of human knees can reset the brain’s sleep-wake clock.
  • Sleeping less than 7 hours each night reduces your life expectancy.
  • Only one half of a dolphin‘s brain goes to sleep at a time.
  • Some Deaf People Make Sign Language in Their Sleep.
  • Lack of sleep can cause weight gain of 2 pounds (0.9 kg) in under a week.
  • Before alarm clocks were invented, there were “knocker-ups” who went tapping on client’s windows with long sticks until they were awake.
  • A snail can sleep for 3 years.
  • It’s impossible to sneeze while sleeping.
  • Most people can survive for up to 2 months without eating, but people can only live
    up to 11 days without sleeping.
  • Sleeping on the job is acceptable in Japan, as it’s viewed as exhaustion from working hard.
  • Sea otters hold hands when they sleep so they don’t drift away from each other.
  • Dysania is the state of finding it hard to get out of bed in the morning.
  • People experience better sleep during the new moon and worse sleep during a full moon, a study found.
  • Many Tibetan monks sleep upright.
  • Half of the pilots surveyed in the UK admitted to having fallen asleep while flying a passenger plane.
  • Cats sleep for 70% of their lives.
  • Sleep helps you remember important information. During REM sleep (a phase of the cycle characterized by rapid eye movement) your brain determines what’s important to know and stores it for future use.
  • Lack of sleep can result in a number of issues including fatigue, irritability, lack of concentration, and increased stress. In the long run, a reduced amount of sleep can lead to a weakened immune system, depression, and high blood pressure.
  • Facts about sleep is that women who sleep less than 5 hours a night gain a significant amount more weight over time than those who sleep 7 hours or more.
  • Researchers believe dreams are a meaningless by product of sleep and consciousness.
  • Too much sleep can be too much of a good thing! Nights of elongated slumber can negatively disrupt the body’s ability to use insulin, which increases the risk of diabetes later on in life.
  • You burn more calories watching TV than you do sleeping.
  • Dolphins can stay active for 15 days or more by sleeping only with one half of their brain at a time.
  • Sleep disruption caused by working nights is even classified as a potential cause of cancer by the World Health Organisation.
  • Facts about sleep is that the world record for not sleeping was set by 17-year-old Randy Gardner in 1964 when he was awake for 264 hours and 12 minutes.
  • Somniphobia is the fear of sleep.
  • You can only dream about faces you have already seen.
  • An adult bedbug can survive up to one year without feeding.

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