#SLEEP#VIRALINFECTION#OBESITY#DIABETES#HYPERTENSION#HEARTDISEASE#DISLIPIDEMIA

Many people do not realise that lack of sufficient SLEEP can trigger mild to potentially life–threatening consequences.
VIRAL INFECTION– People who slept an average of less than 7 hours per night were three times as likely to get sick as those who averaged >8hours.
WEIGHT GAIN– Not getting enough sleep makes you more likely to gain weight.
This association is especially strong among children. Lack of sufficient sleep tends to disrupt hormones that control hunger and appetite, and the resulting daytime fatigue often discourages you from exercising. Excess weight, in turn, increases the risk of a number of health problems.
DIABETES-A sharp increase in the risk of type 2 diabetes in people with persistent INSOMNIA. People who had insomnia for a year or longer and who slept less than five hours per night had a three-fold higher risk of type 2 diabetes compared with those who had no sleep complaints and who slept six or more hours every night. As with overweight and obesity (which are also closely linked to type 2 diabetes), the underlying cause is thought to involve a disruption of the normal hormonal regulation of the body due to inadequate sleep.
HYPERTENSION:– Researchers involved in the diabetes study also evaluated risk of high blood pressure among the same group of people, which included more than 1,700 randomly chosen men and women from ruralPennsylvania. As described in a 2009 article in the journal Sleep, the researchers found the risk of high blood pressure was three–and–a–half times greater among insomniacs who routinely slept less than six hours per night compared with normal sleepers who slept six or more hours nightly.
HEART DISEASES– A number of studies have linked short–term sleep deprivation with several well–known risk factors for heart disease, including higher cholesterol levels, higher triglyceride levels, and higher blood pressure.
One such report, published in a 2009 issue of Sleep, included more than 98,000 Japanese men and women ages 40 to 79 who were followed for just over 14 years. Compared with women who snoozed for seven hours, women who got no more than four hours of shut–eye were twice as likely to die from heart disease, the researchers found.
SLEEP APNEA is a common cause of poor sleep, a life–threatening condition in which breathing stops or becomes shallower hundreds of times each night also increases heart disease risk. In the Wisconsin Sleep Cohort study, people with severe sleep apnea were three times more likely to die of heart disease during 18 years of follow–up than those without apnea. When researchers excluded those who used a breathing machine (a common apnea treatment), the risk jumped to more than five times higher. Apnea spells can trigger arrhythmias (irregular heartbeats), and the condition also increases the risk of stroke and heart failure.
MENTAL ILLNESS– A study of about 1,000 adults ages 21 to 30 found that, compared with normal sleepers, those who reported a history of insomnia during an interview were four times as likely to develop major depression by the time of a second interview three years later. Two studies in young people–one involving 300 pairs of young twins, and another including about 1,000 teenagers–found that sleep problems developed before a diagnosis of major depression and (to a lesser extent) anxiety. Sleep problems in teenagers preceded depression 69% of the time and anxiety disorders 27% of the time.
MORTALITY:– In the Japanese heart disease study (described above), short sleepers of both genders had a 1.3–fold increase in mortality compared with those who got sufficient sleep. According to a 2009 study of 6,400 men and women whom researchers followed for an average of eight years, severe sleep apnea raises the risk of dying early by 46%. Although only about 8% of the men in the study had severe apnea, those who did and who were between 40 and 70 years of age were twice as likely to die from any cause as healthy men in the same age group.
It is clear that getting enough sleep is just as important as other vital elements of good health, such as eating a healthy diet, getting regular exercise, and practicing good dental hygiene.
In short, SLEEP is not a luxury but a basic component of a healthy lifestyle.

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