sleep

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Mum why do I have to go to bed so early?Its only 10pm! I cant go to sleep this early!This is when three year olds go to bed. I'm 16 I can stay up later if I want. Oh my God Mum why do I have to get up now? It's only 6.30, Let me sleep. I didn't get to sleep until 2am. I don't care about school. Just let me sleep.Why do we teenagers have suchdifficulty facing the fact that we have to go to sleep earlier on school nights and then have suchdifficulty awakening on school mornings. Why are so many teenagers half asleep in their morning classes. Is it because we are asserting all our youthful energy in proving we are independent. Or is it that we are just going through the rebellious faze in our existence and spend all our energy rebelling against the higher authority. Or is it because we are just plain stubborn. Are there other reasons why many of us teens havedifficulty falling asleep at a reasonable hour and wakening early enough to get to school ontime. In fact there is quite a valid reason why most of us teens look like half dead pale zombies in our early morning classes, it all started when that little rather big thing
Called puberty reared its ugly head bringing with it a whole lot of unwanted baggage including the power to delay the timing of teens internal body clocks which job it is to regulate sleepiness and wakefulness. Teenagers are unable to fall asleep until at least 11pm or later and because of our unique sleep needs our brains are not ready to be alert until well after the typical high school day has already begun. So if you're a strapping teenager on the cusp of man hood or woman hoodand usually wake up looking awfully like a new born puppy, with eyes that wont open and a powerful instinct to curl up and travel back to the peaceful land of nod becauseyour really just to tired to face the big bad world todayyou should probably wake up and take a reality check and to help you do so y…

Sleep

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Does anybody ever come home from a long day of work or a hard day at school and only one thing is on your mind. It is probably the greatest feeling on earth, well at least one of the greatest feelings on earth. What am I talking about? I am talking about sleep. Since the beginning of time history is filled with people fascinated with sleep. Does anybody ever think about why we sleep or what goes on to our brains while we sleep? Well before the twentieth century sleep was thought of as just a period of restful inactivity because there was no clear way to study brain activity. But since then the invention of the electroencephalograph by German psychiatrist Hans Berger in the 1920s it gave sleep researchers a tool for studying brain activity. These brain activities that they study are called brain waves. Today’s scientist research a number of physical functions during sleep such as eye movements, muscle movements, breathing rate, air flow, pulse, blood pressure, amount of exhaled carbon dioxide, body temperature, and breathing sounds. There are two basic types of sleep. REM sleep also known as rapid eye movement sleep or active sleep, and NREM sleep, or non rapid eye movement sleep, also known as quiet sleep witch is divided into four stages witch I will describe shortly. I will also describe the changes in sleep over our lifespan.
While you are preparing for bed you are up and reasonably alert so your brain produces small, fast brain waves called beta brain waves. When your head hits the pillow your muscles begin to relax and your brains electrical activity starts to slow down making the brain produce slower and larger brain waves called alpha brain waves. During this stage you may start to experience odd but realistic sensations such as your name being called or you feel a falling sensation or maybe you see kaleidoscope like patterns. EX… VIDEO GAMES. These experiences are called hypnagogic hallucinations. The most common of these h…