1. A new born baby sleep around 400 – 750 hours in sleep.
2.
If you lose two hours of sleep, you can impair
your performance.
3. A sleeping directly after learning something new will improve your ability to remember it effectively.
4.
An average human will spend 1/3 or their life
sleeping.
5.
Some studies suggest women need up to an hour's
extra sleep a night compared to men.
6.
Upon five minutes of waking, 50% of a dream is
forgotten. Within 10 minutes, 90% of it is forgotten.
7.
Sixty-five percent of Americans lose sleep
because of stress.
8.
Both whales and dolphins literally fall half
asleep. Their brain hemispheres take turns so they can continue surfacing to
breathe.
9.
Children don’t react the same way to sleep
deprivation as adults: while adults get sleepy, children become hyperactive.
10.
Children need an average of nine to 10 hours of
sleep each night.
11.
A research shows that regularly sleeping too
little (6 hours and less) OR regularly sleeping too much (more than 9 hours) is
associated with shorter lifespan! 7-8 hours is the ideal.
12.
Lack of sleep can raise the sensation of hunger
by 25 percent. Sleep more and you can eat more or burn more calories.
13. No-one knows for sure if other species dream but some do have sleep cycles similar to humans.
14.
The “natural alarm clock” which enables some
people to wake up.
15.
The average person wakes up about six times per
night.
16.
Dreams may not serve any purpose at all but be
merely a meaningless byproduct of two evolutionary adaptations – sleep and
consciousness.
17.
You can only dream about faces you have already
seen.
18.
Somniphobia is the fear of sleep.
19.
Ducks at risk of attack by predators are able to
balance the need for sleep and survival, keeping one half of the brain awake
while the other slips into sleep mode.
20.
If you lose two hours of sleep, you can impair
your performance equal to a .05 blood-alcohol level.
21.
No-one knows for sure if other species dream but
some do have sleep cycles similar to humans.
22.
An average human will spend 1/3 or their life
sleeping.
23.
Some studies suggest women need up to an hour's
extra sleep a night compared to men.
24.
Upon five minutes of waking, 50% of a dream is
forgotten. Within 10 minutes, 90% of it is forgotten.
25.
Sixty-five percent of Americans lose sleep
because of stress.
26.
12% of people have black and white dreams.
Before color television though, the number was 75%.
27.
Elephants sleep standing up during non-REM
sleep, but lie down for REM sleep.
28.
Some scientists believe we dream to fix
experiences in long-term memory, that is, we dream about things worth
remembering.
29.
It’s impossible to tell if someone is really
awake without close medical supervision. People can take cat naps with their
eyes open without even being aware of it.
30.
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.
31.
Humans can survive longer without food than they
can without sleep.
32.
The average amount of time people sleep has
dropped from nine hours in the pre-lightbulb era to seven-and-a-half hours
today.
33.
Studies show that less sleep (six hours or less)
can lead to higher inflammatory proteins in the blood.
34.
People who are in a coma or under anesthesia may
seem to be asleep but the complex, active brainwave patterns seen in normal
sleep are absent.
35.
The record for the longest period without sleep
is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record
holder reported hallucinations, paranoia, blurred vision, slurred speech and
memory and concentration lapses.
36.
Dreams usually run in 90-minute cycles during
sleep.
37.
A study showed that 42% of people felt they had
had a dream about something that later came true.
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