A lack of sleep raises blood pressure and anxiousness. Study reported in the Archives of Internal Medicine from work carried out at the University of Chicago. Reuters 09/06/2009.
Lack of sleep raises risk of heart disease. Study published in the Journal of the American Medical Association and reported by Reuters on Thursday, 25 December 2008.
People who regularly sleep less than six hours a night are more likely to die younger. Study published in the journal Sleep, 2010. The team from the University of Warwick and the Federico II University medical school in Naples analysed 16 studies involving a total of 1.3 million people. They noted that previous studies had shown that sleep deprivation was associated with heart disease, high blood pressure, obesity, type 2 diabetes, and high cholesterol.
Sleep is the critical factor for weight loss. Study by the National Center for Health Statistics, U.S.A., showed a 5% increase in body weight in those who slept less than three hours a night. ScienceDaily 12 March 2009.
Study published in the Journal of Clinical Endocrinology & Metabolism (JCEM), May 2010.
Teenagers and adolescents sleeping five hours or less a night are 71% more likely to suffer depression and 48% more at risk of becoming suicidal. Study published January 2010 in Sleep magazine, Columbia University Medical Centre. January 4, 2010 – AFP.
“Short sleep duration explained the relationship between parental-mandated bedtimes and depression,” says Dr James Gangwisch, of Columbia University in New York. June 12, 2009 – AAP.
A lack of sleep greatly increases breast cancer risk. Sleep duration and the risk of breast cancer: the Ohsaki Cohort Study published in the British Journal of Cancer November/December 2008 has found that lack of sleep can greatly increase the risk of breast cancer, with women who slept 6 hours or less every night having a significantly higher risk.
Healthy 100-year-olds sleep around 7.5 hours each night. Study published in the May 1, 2010 issue of the journal SLEEP.
Short sleepers are more likely to be obese, smoke cigarettes, drink heavily and do little exercise. Based on the National Centre for Health Statistics study of 80,000 Americans, May 2008.
Excess weight in teenage girls linked to lack of sleep and alcohol. Study conducted by researchers from Brigham and Women’s Hospital and Harvard Medical School, and published in the Journal of Pediatrics.
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