Sleep
in sentence
1612 examples of Sleep in a sentence
Some have even mistaken
sleep
paralysis for an encounter with a ghost or an alien abduction.
In 1867, Dr. Silas Weir Mitchell was the first medical professional to study
sleep
paralysis.
Even though Dr. Mitchell was the first to observe patients in a state of
sleep
paralysis, it's so common that nearly every culture throughout time has had some kind of paranormal explanation for it.
It may be easier to blame
sleep
paralysis on evil spirits because what's actually happening in your brain is much harder to explain.
Modern scientists believe that
sleep
paralysis is caused by an abnormal overlap of the REM, rapid eye movement, and waking stages of
sleep.
During an episode of
sleep
paralysis, you're experiencing normal components of REM.
During a
sleep
paralysis episode, a combination of your body's fear response to a perceived attack by an evil creature and your brain being wide awake while your body is in an REM
sleep
state triggers a response for you to take in more oxygen.
While a few people experience
sleep
paralysis regularly and it may be linked to
sleep
disorders such as narcolepsy, many who experience an episode of
sleep
paralysis do so infrequently, perhaps only once in a lifetime.
I could not
sleep
that night, and I decided to do something.
Like understanding the mysteries of
sleep
or curing the common cold, motion sickness is one of those seemingly simple problems that, despite amazing scientific progress, we still know very little about.
And she thinks and she thinks, and she goes, "If this bicycle lamp were a computer, we could go on a biking trip with my father and we would
sleep
in a tent and this biking lamp could also be a movie projector."
And in the evenings, I would go to
sleep
in Narnia.
The other piece of the puzzle is that OCD is associated with low levels of serotonin, a neurotransmitter that communicates between brain structures and helps regulate vital processes, such as mood, aggression, impulse control, sleep, appetite, body temperature and pain.
To increase performance on certain mental tasks,
sleep
is good, but dreaming while sleeping is better.
A 1983 neurobiological theory of dreaming, called reverse learning, holds that while sleeping, and mainly during REM
sleep
cycles, your neocortex reviews these neural connections and dumps the unnecessary ones.
Stress neurotransmitters in the brain are much less active during the REM stage of sleep, even during dreams of traumatic experiences, leading some researchers to theorize that one purpose of dreaming is to take the edge off painful experiences to allow for psychological healing.
John Steinbeck called it the committee of sleep, and research has demonstrated the effectiveness of dreaming on problem solving.
It's also how renowned chemist August Kekule discovered the structure of the benzene molecule, and it's the reason that sometimes the best solution for a problem is to
sleep
on it.
On a more microscale, depression is associated with a few things: the abnormal transmission or depletion of certain neurotransmitters, especially serotonin, norepinephrine, and dopamine, blunted circadian rhythms, or specific changes in the REM and slow-wave parts of your
sleep
cycle, and hormone abnormalities, such as high cortisol and deregulation of thyroid hormones.
Second, cytokines travel through the body to the hypothalamus, the part of the brain responsible for controlling temperature, thirst, hunger, and sleep, among other things.
Sleep
lets your body channel more energy towards fighting infection.
Amino acids contain the precursors to neurotransmitters, the chemical messengers that carry signals between neurons, affecting things like mood, sleep, attentiveness, and weight.
A healthy diet, avoiding tobacco use, staying fit, and enjoying plenty of
sleep
and lots of laughter all go a long way in making sure your body's most important muscle keeps on beating.
And then, over the Internet, they're going to invite complete strangers to come
sleep
in their homes.
No one in their right minds would invest in a service that allows strangers to
sleep
in people's homes.
On the subject of rest, many people have heard that you're not supposed to
sleep
shortly after receiving a concussion because you might slip into a coma.
So long as doctors aren't concerned there may also be a more severe brain injury, like a brain bleed, there's no documented problem with going to
sleep
after a concussion.
That night with Sonny Boy and his family changed my life forever, because when it came time to go to sleep, we simply laid down on this concrete slab the size of half my bedroom with myself, Sonny Boy, and the rest of his family, seven of us in this long line, with the smell of rubbish all around us and cockroaches crawling all around.
And I didn't
sleep
a wink, but I lay awake thinking to myself, "Why should anyone have to live like this when I have so much?
Just yesterday, I was reading about how you can take out a boat on Europa and sail from island to island all over the planet, and some of the islands have villages that you can stay and visit and
sleep
under the shadow of Jupiter.
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