Effects of Sleep Deprivation By Top London Personal Trainer

by Picture Esk
Effects of Sleep Deprivation By Top London Personal Trainer
Article by James White

Effects of Sleep Deprivation By Top London Personal Trainer - Health - Wellness












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The effects of sleep deprivation are so severe that the subject of not getting enough sleep should never be skimmed over. A surprisingly large percentage of people are not getting the quality and quantity of sleep that they should. The human body has a natural sleep/wake cycle (circadian cycle) that is in time with the sun and the planets. What this basically means is that when the sun sets and it gets dark we should get tired and go to sleep and when the sun rises and it gets light we are designed to wake up and get ready for the day. This is not just humans that work this way, as light has a huge influence over the physiology of all life and nature. When the solar eclipse happened in 1999, birds, horses and many other creatures went to sleep in the middle of the day when the sun eclipsed. How does this happen? When light from the sun or artificial light stimulates your skin or eyes your brain and hormonal system think its morning. This will make your adrenal glands secrete the hormone cortisol which will wake you up and prepare your body for the day. Your cortisol levels peak at around 6-9am then drop a little but remain elevated throughout midday to support daily activities. In the afternoon cortisol levels drop significantly, especially as the sun goes down. These decreasing cortisol levels allow the release of melatonin and growth and repair hormones. If our bodies follow the natural sleep/wake cycle we should start winding down as the sun sets and should fall asleep by about 10pm. Physical repair mostly takes place between 10pm - 2am and after 2am psychogenic (mental) repair takes place. This is all supposed to happen in an ideal world or at least it did happen in the past. But now with all the artificial light, television, computer games, parties, etc our cortisol levels don't drop as they should towards the end of the day which results in a hormone imbalance and reduced repair hormones being released. Also as we have this artificial light to keep us entertained way past sun set, we only go to bed around 12am or later! This results in not only poor sleep quality but sleep deprivation. So what are the effects of sleep deprivation? Here is a short paragraph on three parts of the body that are severely effected by sleep deprivation. Hormonal. A Lack of sleep can cause havoc with hormones and the glands that release them. Not getting enough sleep will increase your cortisol levels and decrease testosterone and growth hormone. The end result of this will be less muscle and more fat. This will get worse as well because your

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