Outline Lifespan Changes in Sleep

Outline lifespan changes in peacefulness It has been found that all over a lifespan there are decreases in add together pause time, deep catch some Zs and REM permanent quiet. Also, there are amplifications in eternal rest latent period (time taken to nod off) and stages 1 & adenine; 2 pause time. Van Cauter et al (2000) carried out a longitudinal eternal cessation study on male participants. Of peculiar(prenominal) interest was their finding: plentiful SLEEP DETERIORATES IN 2 STAGES. Between 16 and 35 years and between 35 and 50 years During infancy babies quietus more than eachone else and dumbfound different quietus patterns. They tend to quiescence for around 16 hours a day moreover it is not continuous. They wake every hour due to a shorter sleep wake calendar method of birth concur than adults and their sleep stages consist of quiet sleep and active sleep: these are immature versions of SWS and REM sleep. By the time they notion reached 6 months, a sleep-wake cycle is established with 1 or 2 naps during the day and as a result periods of sleep then lengthen. By the age of 5 children have an pneumoencephalogram pattern which is similar and looks like those of an adult but they are still sleeping more than adults with an approximate time of 12 hours in sleep and they also have more accession with approximately 30% of the total sleep time founding in REM. At this stage, it appears that boys engage in more sleep than girls.

This is the age where nREM sleepwalking often occurs but disappears in adulthood. During adolescence the need for sleep increases to 9-10 hours. Circadian rhythms change. Teenagers naturally more on the looko ut later so have more difficulty in getting ! up earlier. This is known as a var. delay. Normal adult sleep is 8 hours a dark with 25% REM sleep however more sleep disorders such as insomnia and sleep apnoea occur. Sleep time decreases and band have more difficulty in going to sleep and they tend to wake up more frequently at night. The elderly may need to nap during the day to bring back their sleep needs. REM sleep decreases to 20% and the amount of SWS to 5%. Older people may feel...If you want to get a full essay, order it on our website: OrderEssay.net

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