Mini summaries part 2 (sleeping)

Eyes closed for an hour. ...no still nothing.
Try to breathe slowly. Easy inhale and exhale...still nothing...ok, let's eat or drink something...

3 HOURS LATER.
Still no sleep. Why can't I sleep?? more precisely why we sleep in the first place??
Many people say that we sleep to rest. To relieve our physical stress and renew our energy.
Is it body-related or brain-related?

Do we sleep because our bodies need sleep or our brain?
First of all how sleep takes place.
Let me tell you something...

It all started with a gland (called pineal gland) in the brain. It secretes a hormone called melatonin. This hormone makes you sleepy.
So, if you couldn't sleep last night. I guess you had low melatonin level in your system.

Try to heighten it up(i don't know how actually. it isn't mentioned in the book).

But the book mentions that our retinas (the retina of the eye) have something to do with it.
There are sensors on them. When they detect a low amount of light, they give signals to the pineal gland to secrete melatonin. Guess that's why you often sleep at night and in the dark.

Why do we sleep??
We do we feel sleepy? Why the pineal gland secretes melatonin everyday non_stop?
One of the most spread theories(i say theories cause they aren't true) is the need of the body to rest. I mean physically.

It's definitely a possibility. A good one actually, but why I close my eyes and be unconscious for a while .when all I need is physical rest??

Guess what. Your whole life was a lie. we don't sleep to rest ( not the body through).
We sleep to relax the brain.

Theories have proved that hypernating animals( which have low metabolism than most, in other words, spend and need less energy than others) need sleep, not any sleep actually there sleep might be longer and tighter as a Coma.

SLEEP ISNT RELATED TO THE BODY...IT IS RELATED TO THE BRAIN.
YOUR BRAIN NEEDS THE SLEEP NOT YOUR BODY.

BUT WHY???
In addition to brain functions and clearing out your brain, there are the memories.

Every minute your brain takes billions of data (as sounds, visuals, smellings, touchings, etc) all these data are taken into the brain to analyse, arrange and store them as Memories.

So you are 50, 20, 9 or even 21(like me) years old. Every minute of every day of every weak of every month of every year you store billions and billions of data.

Whether your body needs the unconscious rest or not. Your brain definitely needs from 6 to 9 hours a day to store and restore your daily memories according to its importance.

Note that: this isn't about the body needs no rest at all. Nooooo. This is about the unconscious of sleep and its relation to the body or brain.
Your body needs rest, but you don't have to be unconscious.

That's it...
Thank you so much for reading. Don't forget to check the past posts and in the next post, I will be talking about the stages of sleep and its malfunctions( sleep paralysis, etc).

This is a free writing style based on my understanding of the amazing book by Dean Burnette..the idiot brain.

If there is anything wrong or something u don't quite understand you may comment it and I will reply instantly.

Wait for mini summaries part 3.