Sleep Is A Condition Of Body And Mind - 1230 Words

According to the Oxford dictionary, sleep is a condition of body and mind in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed and consciousness is practically suspended. Sleep typically recurs for several hours every night. It is made up of two states, rapid eye movement (REM) and non-REM (NREM) sleep that alternate in a repetitive cycle across a sleep episode (Carskadon Dement 2011). Memory is defined as a behavioral change caused by an experience. Declarative memory is available to our consciousness, and concerns events and facts. Procedural memory, on the other hand, is not available to our consciousness, and is the memory that is needed to use a previously learned skill (Okano, Hirano Balaban, 2000, p.12403). In the second edition of Learning and Memory, short-term memory, also known as working memory, is defined as a hypothetical system in the brain that stores a limited amount of information for a relatively brief period of time (Purdy et al. 2001). In the article â€Å"What are the differences between long-term, short-term, and working memory?† written by Nelson Cowan, he contends that short-term memory is the capability that the human mind can retain a limited amount of information in a very accessible state temporarily. He also differentiates short-term memory from working memory, stating that working memory is used to plan or carry out behavior. Working memory includes short-term memory, but also includes otherShow MoreRelatedSleep : A Condition Of Body And Mind990 Words   |  4 PagesSleep:/slÄ“p/ (noun) 1. A condition of body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended (Google Search Dictionary). Humans need sleep to function. Without it, our body cannot survive physically or mentally. Sleep helps the body replenish its need for energy and leaves you feeling awake and refreshed when you wake up; therefore, itRead MoreSummary On Symptoms Of Sleep Apnea717 Words   |  3 PagesSymptoms of Sleep Apnea By Stuart Bazga | Submitted On July 15, 2011 Recommend Article Article Comments Print Article Share this article on Facebook Share this article on Twitter Share this article on Google+ Share this article on Linkedin Share this article on StumbleUpon Share this article on Delicious Share this article on Digg Share this article on Reddit Share this article on Pinterest Expert Author Stuart Bazga Sleeping is vital to the well-being of a person. With enough sleep we have aRead MoreEssay on Who Needs Sleep?1546 Words   |  7 PagesIn the United States 40% of car accidents are linked to lack of sleep (Souza). Sleep deprivation is a serious problem; people do not seem to care about or pay attention too. Everyone needs sleep; it is the mind and body’s natural way of restoring itself from a day’s work. There are four stages of sleep and according to The Better Sleep Council the first stage is when the mind is relaxing, and the eyes close. It is easy to wake someone during this stage, and people often feel like they are fallingRead MoreImportance of Sleep Essay897 Words   |  4 PagesDuring the late 1800s and early 1900s, nine hours of sleep was the norm, but no more. Technology and long work hours often prevent sleeping nine to ten hours each night; however, eight hours would vastly improve psychological and physical health and well-being. Chronic sleep deprivatio n is less than five hours nightly. Getting the proper rest is important to stay alert during the day; Studies prove that eight or more hours of restful slumber every night enhances mood, brain function, and increasesRead MoreThe Effects Of Sleepwalking On The Nervous System1564 Words   |  7 Pagesserious psychological issues underlying, for the majority sleepwalking is benign and is grown out of. Some factors that are thought to cause this disorder are: fatigue, fever, which directly affects the nervous system, general illness, stress, or sleep deprivation, although none show definite connection to the illness. Sleepwalking , formally known as somnambulism, is a behavior disorder that originates during deep slumber and results in ambulating or performing other in-volute comportment whileRead MoreHealthy Body And Mind : Guidelines1416 Words   |  6 PagesHealthy body and mind Definitions - Wellbeing A stage with good health and satisfying financial conditions is called wellbeing. - Health Health is a state of complete physical, mental and social well-being and not merely The absence of disease or infirmity. Indications of: - Good health and wellbeing Health indicators Health indicators are summary measures that are designed to describe particular Aspects of health or health system performance. Health indicators are generally DevelopedRead MoreThe Effects Of Sleep And Sleep Deprivation On The Body1267 Words   |  6 PagesThe Effects of Sleep and Sleep Deprivation Has on the Body. Specific Purpose: To inform the audience about why we need sleep and what happens if you are sleep deprived. Thesis: Sleep is crucial for any living creature and lacking an adequate amount of sleep is detrimental to health. Introduction Attention Getter: Many of us will spend about a third of our lives sleeping, yet don’t know why we need sleep or how important it is for the body. Did you know you can die faster from sleep deprivation thanRead MoreSleep Deprivation And Its Effects On Society Essay1730 Words   |  7 Pagesof effectiveness of those hours however, depend on effective rest. â€Å"Sleep is integral to the health and well-being of all people† (Wells 233). Sleep is simply defined as the body’s rest cycle – a time to recharge. The widely accepted metric for normal or sufficient sleep is about 8 hours of uninterrupted sleep. When this metric is not met, either through total sleep loss or accumulated sleep debt, the effect can be dire, â€Å"Sleep deprivation results in poor memorizing, schematic thinking, which yieldsRead MoreA Dream Cycle The Dreamer1475 Words   |  6 PagesImagine, during some much-needed sleep, that an anthropomorphic demon forms, peering from the opposite side of the room, aliens begin conducting strange experiments, hooded ghosts murmur incomprehensive secrets. All of this as a strange bout of full-body paralysis takes hold. How does one explain away an experience as strange as this? For some, it feels like waking up dead; being confined and unable to move. Literally paralyzed. This paralysis is only worsened by a growing sense of alarm. Is thereRead MoreSleep Deprived Athletes : The Lack Of Sleep Essay1298 Words   |  6 PagesSleep Deprived Athletes Do you feel sluggish while playing your favorite sport? The lack of sleep can negatively impact an athlete’s performance. Athletes that are fatigued can experience negative; mental, emotional and physical conditions. These negative conditions become noticeable on the field, either during a game or throughout practice. They can impact the team in a way that wouldn’t benefit the other players. This could be a crucial way to determine if the team will win or lose that particular