A dear friend highlighted the other day how she does not let anything distrub her 8 hours of sleep ..no wonder she looks so well lol oh well will try adn follow her example.but as a reminder again here are many good reasons why we should try and get regular sleep According to the documentary, Sleepless in America, coproduced by the National Geographic Channel, 40 percent of Americans are sleep deprived. Many get less than five hours of sleep per night. Percentage-wise, adolescents are among the most sleep deprived. The consequences are dire, not just for the individual who isn’t getting enough rest, but for those around them as well. While most people don’t give lack of sleep much thought, there are in fact life-threatening consequences. Notably, “experts now believe that sleep deprivation may have played a role in the Exxon Valdez oil spill, the Staten Island ferry crash, and the Three-Mile Island nuclear meltdown,” the film states. Countless people have also lost their lives to tired drivers who simply dozed off behind the wheel. It’s important to realize that getting less than six hours of sleep each night leaves you cognitively impaired. Sleep deprivation has also been linked to health effects such as obesity, diabetes, cardiovascular disease, Alzheimer’s,1 and cancer. Depression and anxiety disorders are also adversely impacted by lack of sleep. The Importance of Staying in Sync with Nature Maintaining a natural rhythm of exposure to sunlight during the day and darkness at night is one crucial foundational component of sleeping well. This was addressed in a previous interview with researcher Dan Pardi. In it, he explains how exposure to bright daylight serves as the major synchronizer of your master clock—a group of cells in your brain called the suprachiasmatic nuclei (SCN). These nuclei synchronize to the light-dark cycle of your environment when light enters your eye. You also have other biological clocks throughout your body that are synchronized to your master clock. One reason why so many people get so little sleep, and/or such poor sleep, can be traced back to a master clock disruption. In short, most people spend their days indoors, shielded from bright daylight, and then spend their evenings in too-bright artificial light. As a result, their body clocks get out of sync with the natural rhythm of daylight and nighttime darkness, and when that happens, restorative sleep becomes elusive. An estimated 15 million Americans also work the night shift, and the adverse health effects of working nights are well documented. As just one example, three years of periodical night shift work can increase your risk for diabetes by 20 percent, and this risk continues to rise with time.
Posted on: Sat, 17 Jan 2015 06:46:22 +0000
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