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Researchers have known that too little sleep affects mental performance.Now thatthey are finding that sleep loss affects a whole lot more,including the immune system,cardiovascular health and even hunger regulation.Epidemiologic studies around the world show that the time spent in sleep is linked to all causes of death and to conditions that include cardiovascular risk,hypertension,diabetes and stroke.The risk goes up whem you sleep below hours or above eight.There is a link between loss of sleep and the immune sysytem.It has been found out that young men who were sleep-deprived produced less robust response to an influenza vaccination than those who were fully rested.Even after ten nights of adequate sleep following the immunization,the effect was still visible,suggesting that some aspect of the immune was compromised significantly.Loss of sleep is also connected to certain metabolic disorders.It was carried out in university of Stanford that people who slept fewer than eight hours had an increased body mass index in proportion to their decreased sleep,as well as altered levels of hormones that regulate metabolism and hunger.Specifically,volunters who typically slept five hours per night had a 15% reduction in leptin,a hormone that supresses appetite,and a ghrelin,a hormone that stimulate appetite.In other words,people who slept less tended to feel hungrier than those who slept 8 hours.Also,sleep fragmentation and suppression of slow-wave sleep reduced insulin sensitivity in these volunteers.Because insulin resistance is considered a prediabetic condition,the work hints at how sleep disordes might increase a person's risk of develping type 2 diabetes,which has been shown previously to correlate with chronic loss in epidemiological studies.Scientists used to say that sleep was of,by,and for the brain,but recent findings suggest otherwise.Sleep may have initially evolved to take care of the brain,but many other systems now appear to rely on it for regulation and stabilizationSo when you lose sleep it affects your entire body system. www.solutiontoillhealth.blogspot.com You can read also about buy atorvastatin 20 mg