1. Lack of Sleep Could Shorten Your Life and Make You Fat
Getting less than six hours sleep on a regular basis can drastically shorten your lifespan.
Just a week of sleep deprivation can cause you to gain two pounds in one week! Lack of sleep also causes food cravings, especially for sugary or salty foods, and for larger portions.
Lack of sleep also causes food cravings, and can even cause you to eat larger portions.
2. If You Feel Drowsy, You’re Likely Sleep Deprived
According to sleep experts, if you feel sleepy during the day, even during boring activities, then you haven’t had enough sleep.
Also, if someone falls asleep in less than five minutes after lying down, then they’re suffering from severe sleep deprivation.
Usually, it should take anywhere between 10-15 minutes to fall asleep.
3. Sleep Is a Wonderful Memory Aid
It’s been proven time and time again that sleeping right after you learn something new can drastically improve your ability to remember it!
4. Falling Half-Asleep Is Real
For humans, it’s merely an expression, but for whales and dolphins, it’s actually a survival skill.
Both whales and dolphins literally fall half-asleep so they can continue surfacing to breathe.
5. Before The Alarm Clock
Before the alarm clock was invented, people were actually hired as personal alarm clocks to wake people up. They were called “knocker-ups” and they woke people up by knocking on your window with a long stick.
6. 19 Days Awake
The record for the longest period without sleep is 18 days, 21 hours, 40 minutes, so almost 19 days!
This record was set during a rocking chair marathon!
The record holder, unfortunately, experienced blurred vision, slurred speech, hallucinations, and lapses in his memory.
7. Cats Love Sleep
Most of us spend one-third of our lives asleep, but cats actually spend a whopping 70% of their lives asleep.
8. Different Food Can Affect Your Sleep
Caffeine isn’t the only thing that will keep you up at night. Protein can actually keep you awake and alert while carbs will make you sleepy.
9. You’ll Never Dream About Someone You Haven’t Seen Before
We’re only able to dream about faces we’ve already seen, either from a picture, on TV, or from a crowd of people, regardless if we remember them or not.
10. Dreams Fade Insanely Fast
Within five minutes of waking, 50% of a dream is forgotten, and within 10 minutes, 90% of it is forgotten.
So, if you want to remember a fun or weird dream, write it down as soon as you can!
11. Nightmares May Be a Symptom of Health Issues
The occurrence of nightmares could be a result of heart conditions, migraines, or even sleep deprivation!
12. Humans Can Delay Sleeping
Sleep deprivation has been consistently linked with a low libido and less interest in sex.
14. The Cure for Jetlag
During an experiment in 1998, they found that shining a bright light on the back of the knee can actually reset the brain’s sleep rhythm!
15. The Dreaming Process
Certain types of eye movements during REM sleep actually match up with specific movements in dreams.
This suggests that the dreaming process is much like watching a film.
16. Elephants Can Sleep Standing Up
Elephants tend to sleep standing up during non-REM sleep. But, when they’re experiencing REM sleep, they lie down!
17. Light and Noise
It shouldn’t come as a surprise for you that light and sound are your worst nightmare when it comes to sleep.
Those small rays of light from your digital alarm clock can be enough to disrupt the sleep cycle, even if you don’t wake up fully.
Sound works in a similar way.
18. Babies Affect Parents’ Sleep Schedules
A newborn baby results in 400-750 hours of lost sleep for the parents in the first year alone.
Meaning, new parents will miss out on roughly six months of sleep in the first two years of their child’s life. Ouch!
19. Caused by Sleep Deprivation
Sleep deprivation is bad news for everyone. Sleep deprivation can actually be dangerous as it caused many disasters like the Chernobyl nuclear accident.
That was put down as the result of sleep-deprivation.
20. REM vs. Non-REM
REM and Non-REM dreams are actually able to change your dreams.
The dreams differ quite a bit.
REM dreams usually feature bizarre plots, while non-REM dreams are repetitive and thought-like, with very little imagery.
21. Thinking You Slept Well Can Help
Just believing you’ve slept well, even if you haven’t, can actually dramatically improve your performance throughout the day.