All The Four Stages Of NREM (Non-Rapid Eye Movement)

(What is Circadian Rhythm?) There are four stages of NREM sleep which takes up about 75% of your sleep at night. Stage 1 (N1) is your light sleep lasting about 5 minutes between being awake and sleeping. Stage 2 (N2) is your first stage of true sleep. Occurring for only 10-15 minutes, your breathing and heart rate are regular, but your body temperature drops, cooling you down. Your memories are then organized for long-term memory storage. Stage 3&4 (N3) is your deepest sleep. Your blood pressure

fall into the eye causing the sleep-wake cycle. The human body goes through 5 ultradian sleep cycles, each approximately 90 minutes long. Each cycle consist of a number of stages going up to four; that then again reverse up to the second stage. Instead of going back to stage one, the body then enters a stage of active sleep with increased blood pressure, oxygen consumption and neural firing, as well as eye movement that resembles that of a waking person, called rapid eye movement sleep (REM). The

several time zones. STAGES OF SLEEP:  Sleep is not uniform activity, but one produced of different brain waves throughout the night.  1953: Eugene Aserinsky and Nathaniel Klietman noticed periodic bursts of eye-movement during sleep.  REM Sleep (Rapid Eye-Movement Sleep): a stage of sleep associated with dreaming, and characterized by frequent eye movements, suppression of the muscles.  NREM Sleep (non-rapid eye movement sleep): all sleep occurring outside

Sleep Cycle Sleep cycle is the process where a person is asleep and goes through four or five different stages of non- REM (non rapid eye movement) also known to be called quiet sleep and REM (rapid eye movement) known as active sleep. In the beginning of these stages you are not fully asleep you are still alert to things around you because of beta waves these waves are what the brain produce they are small but very fast waves. After these waves produce other waves start producing called alpha

of teenager’s, as they are growing into a lot of changes and challenges through their life, one being their sleep deprivation. Now a day a lot of teenagers have not been having the suggested amount of sleep. High school is a very important time for all teenagers as they are working hard towards their future, which they want to fulfil as well as wanting to have a safe and healthy life style throughout the years of high schooling. However many teenagers surfer sleep deprivation which means one facing

day. Even small disruptions in this daily cycle impair the ability of a person to both reason effectively and perform physically. There are two kinds of sleep: rapid eye movement (REM), and non-REM (NREM) sleep. Within NREM sleep there are four stages: NREM stage 1, 2, 3, and 4. While in REM sleep the brain is incredibly active, doing all of the things that it normally does during the day, such as eating and walking, as it interprets and sorts through information from the day, but the body is in

Each night without fail our eyes grow heavy and our minds tired, and dreaming we drag ourselves to bed and normally fall asleep quickly and peacefully off to dream land we go. Why is this though? Why do we sleep every night? Why do we awake with dream fresh in our heads? How important is this most basic human routine to our survival? What happens when it is disturbed? Sleeping is extremely important for all mammals, but humans especially. Without sleep we are unable to function properly and at

we would have no energy to do our normal everyday routines. Sleep has many stages and also had REM and NREM sleep. Sleeping is very critical for people. There are also certain hours that a person should sleep or else they will be sleep deprived. The following will discuss the stages of sleeping, sleep deprivation, and will also talk about why we dream, and what it has to do with our everyday lives. Sleep has its stages. Stage one is when your heart rate decelerates, your blood pressure decreases, and

Dreams Have you ever dreamt that you were standing on top of a building or walking on the sidewalk and all of a sudden you slip? And it feels like you’ve been falling for a long time, but right before hitting the ground, you wake up? This is commonly known as a falling dream. Falling dreams occur at the first stage of sleep, and that is when you’re falling asleep. Falling dreams are a very common type of dream. Almost everyone has experienced a falling dream at some point in their life and many people

Sleep: a necessity of life I. Everybody needs it: sleep. But what happens to us when we sleep? And what are common sleep-sicknesses? Those are questions that many people think of, sometimes even right before they fall asleep. Humans, like all animals, need sleep, along with food, water and oxygen, to survive. For humans sleep is a vital indicator of overall health and well-being and we spend up to one-third of our lives asleep. There are hundreds, maybe even thousands of things to know about sleep