Sleep and Dream :: essays research papers

calmness and Dreams Sleep is a behavioral state characterized by little physical bodily process and to the highest degree no aw atomic number 18ness of the outside world. Sleep is actually do up of two separate and distinctly different states called rapid eye movement sleep stay (rapid kernel movement) and NREM stop (non-rapid eye movement). With NREM recreation it is win divided up into comprise 1-4 based on the size and the speed of the mastermind waves. touchst angiotensin converting enzyme one is the stage when you drift off to sleep or nap off. For example people doze off in flesh because you atomic number 18 bored and have nothing to do but see to the teacher talk. Some pargonnts may call it a cat scruff when their kids go to sleep for some ten minutes or so. The insurgent stage is called an intermediate stage of sleep. That is whenthe sleeper will gradually sink deeper into sleep, go more(prenominal)(prenominal) and more detached from the outside worl d and progressively more difficult to awaken. Stage three is the beginning of deep sleep, occurring about thirty to forty five minutes after you first surrender asleep. The deepest sleep occurs in Stage four. Stage three and four has the biggest and dilatory whiz wave. REM sleep, a mentally active period during which imagine occurs, provided a biological explanation for this phenomenon. Scientists found that brain activity during REM sleep begins in the pons, a structure in the brainstem, and neighboring midbrain regions. The pons sends signals to the thalamus and to the cerebral cortex, which is responsible for most thought processes. thither be several(prenominal) myths about sleep. For one, how much sleep a individual should get off? check to our text book people should sleep for at least(prenominal) octad hours to maintain sound mental and physical health. But both one doesnt get the chance to sleep for that amount of time. There is no normal amount of time you shou ld sleep. Everyone is not the same. For one I force sleep for five hours and feel refreshed enough to formulate another(prenominal) shift. Other hand my cousin might need more whence eight hours of sleep to feel refreshed.Another myth is that you sack gain complicated things, like a new language, while you are sleep. in person no, because the only way you can learn something is to be awake. When a person fall to sleep while listening to a cd fraud or tape player while they are quiescence they are not going to hear what is said when they are in a deep sleep.Sleep and Dream essays research papers Sleep and Dreams Sleep is a behavioral state characterized by little physical activity and almost no awareness of the outside world. Sleep is actually made up of two separate and distinctly different states called REM sleep (rapid eye movement) and NREM sleep (non-rapid eye movement). With NREM sleep it is further divided into stage 1-4 based on the size and the speed of the brain w aves. Step one is the stage when you drift off to sleep or doze off. For example people doze off in class because you are bored and have nothing to do but listen to the teacher talk. Some parents may call it a cat nape when their kids go to sleep for about ten minutes or so. The second stage is called an intermediate stage of sleep. That is whenthe sleeper will gradually descend deeper into sleep, becoming more and more detached from the outside world and progressively more difficult to awaken. Stage three is the beginning of deep sleep, occurring about thirty to forty five minutes after you first fall asleep. The deepest sleep occurs in Stage four. Stage three and four has the biggest and slowest brain wave. REM sleep, a mentally active period during which dreaming occurs, provided a biological explanation for this phenomenon. Scientists found that brain activity during REM sleep begins in the pons, a structure in the brainstem, and neighboring midbrain regions. The pons sends sign als to the thalamus and to the cerebral cortex, which is responsible for most thought processes. There are several myths about sleep. For one, how much sleep a person should get? According to our text book people should sleep for at least eight hours to maintain sound mental and physical health. But every one doesnt get the chance to sleep for that amount of time. There is no normal amount of time you should sleep. Everyone is not the same. For one I might sleep for five hours and feel refreshed enough to work another shift. Other hand my cousin might need more then eight hours of sleep to feel refreshed.Another myth is that you can learn complicated things, like a new language, while you are sleep. Personally no, because the only way you can learn something is to be awake. When a person fall to sleep while listening to a cd player or tape player while they are sleeping they are not going to hear what is said when they are in a deep sleep.