Part 6 Sleep is an important part of each day and does our brain sleep?

brain
No. But When you are in deep sleep your brain shuts down some senses and reduces its blood requirements to enable the muscles to be repaired

As it has less work to do it gradually reduces its need for rich oxygen filled blood and allows this to be fed to your muscles to repair and rest. When the brain is entirely satisfied you are in no danger from yourself or your environment it allow us to sleep deeply. This means that it will act differently. If you are sick, injured or under influence of drugs including alcohol it remains on higher alert unless the drug prevents it or warps its sensitive electronic functions.

What actually normally happens when you go to sleep?

We don't often think about it but everything we do or think is controlled by sections of the little miracle sitting inside our heads. Here are some of the names we use to define each section and our state. These are not the scientific names for parts of the brain

Where do we keep our memories?

In simple terms everything that our 5 senses collect is recorded in a temporary place. It is quite obvious that we do not need to remember something we already no about, or things we do everyday and from this constant information is sorted out and shifted to a different place reserved for long term memories. This sorting out is described below. Sometimes somethings are given more priority to stop us from getting hurt and we do forget where we just put the car keys!

We can be from time to time Conscious, Semi-conscious,  or subconscious, or unconscious. Our senses feed information to assembling everything into a memory bank after giving a name to it or just storing it until identified. Everything we do from eating food to meeting people, falling in love, being upset, angry or learning to ride a bicycle all of our life is stored in our memory.

Sleep is when our brain has more time to sort all the information storing important stuff into our memory section. As you are asleep it has less work to do. It doesn't turn every one of our senses off because our nose might detect a smell (like smoke which could be dangerous). Eyes are shut but the light of a torch might waken you. Our ears will hear a strange sound or a loud noise. A slight touch of wind or a feather or anything is still felt by your skin. Taste might be triggered occasionally. This standby mode is alert but not receiving endless streams of information.  Sleep enables it to work on solutions. You've heard the expression "let's sleep on it". This when you're worried about something or you're trying to solve a problem. When you go to sleep the sorting out process works on the problem reaching into your memory and looks for anything in your past that will help. When it can't find anything it wakes you up. By the way if you wake up often and worry about something and cant get back to sleep it is referred to as Insomnia Strangely taking sleeping medicines doesn't really help much.

Possible solution to sleeplessness.

When you do wake at night and start thinking about your problems or projects write a note to yourself some of what you're thinking. Leave a note book and pencil for this task. Put in some details of the problems and some ideas about what you want to achieve. Imagine you are telling someone else. The note you take is for you to read in the morning however it doesn't need the note because it knows what you are thinking because is helping you speak and write it.  Once this is done you will usually quickly go back to sleep. Your little grey cells who kept you awake will now have more information and it can move forward. Your body has a rest, your mind has a rest but your  (personal assistant) never sleeps and sorts out. When you awake in most cases the problem is solved or some new ideas come to your mind. You have slept well and feel good.

Do we need to keep an appointment diary?

These days almost everyone can be reminded about someones birthday of a business meeting or anything. All you need to do is to ask your secretary to remind you of put it into your computer/smart phone. Makes life easy and lets our body get on with keeping us safe and operating at our best.

OTHER PARTS

Part 1: Study of the Human Brain Part Two: A child is born Part 3: What we put into our body that affects our minds Part 4: What we put into our minds that effects our Brain Part 5: How do other people's actions change us

THIS IS PART 6

Part 7: How important is our body condition to our brain health Part 8: Why do we sometimes forget simple things : Lost keys Part 9: Why do we never forget bad things

Part 10: What are hormones and what do they do?

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