Weight Lifting, Weight Training, Bench Press & Bodybuilding
August 31, 2014
Maladies of Sleep Depravation
By Hugo Rivera

The Sleep Cycle

When we deprive ourselves of sleep, there is a delicate cycle that we disrupt. Let us now share with you that cycle:

Phase one begins as soon as the sun sets, when the pineal gland starts to release melatonin, a hormone released in the absence of light and responsible for making us sleepy. When you lay down in your bed at this time, your muscles relax, heart rate and breathing slow down, and body temperature drops. The brain also relaxes but still remains alert. If you could look at the wave patterns being generated by the brain, you would see a change from the rapid beta waves of daytime to slower alpha waves. When the alpha waves disappear, replaced by theta waves, the sleeper has tumbled into the sensory void called stage one sleep. In this stage, the sleeper is unable to sense anything.

Phase Two: Phase two occurs a moment after phase one and in this stage the sleeper lays still for about 10 to 15 minutes.

Phase Three: After Phase two is over, the sleeper falls into a deeper sleep. During this stage, the sleeper falls deeper into phase three which lasts about 5 to 15 minutes.

Phase Four: With a maximum of 15 minutes spent within the phase three cycle, the sleeper then falls into yet another relaxed stage called phase four, lasting a half hour or so. In stage four, the eyes move back and forth very quickly in what's called rapid eye movement, or REM. This is the point at which the first dream occurs. After this dream has ended, the sleeper then goes right back to phase two and starts the whole process over again. These processes repeat themselves about five times during the night.

Sleep research indicates through studies that the average sleeper will sleep approximately 8 hours and fifteen minutes when uninterrupted. During this research, there were no alarm clocks or disturbing noises to interrupt normal sleep patterns. 8 hours and fifteen minutes is believed to be the ideal physiological amount of time that the body requires for proper sleep time.

Maladies Caused By Sleep Deprivation

Maladies of Sleep Depravation The following are the maladies that according to research can be the result of consistent sleep deprivation: Impaired glucose tolerance: Without sleep, the central nervous system becomes more active, something that inhibits the pancreas from producing adequate insulin, the hormone the body needs to digest glucose. "In healthy young men with no risk factor, in one week, we had them in a pre-diabetic state," says researcher Van Cauter when referring to a study that he conducted on the effects of sleep depravation.

Possible link to obesity: This is due to the fact that much of people's growth hormone is secreted during the first round of deep sleep. As both men and women age, they naturally spend less time in deep sleep, which reduces growth hormone secretion. Lack of sleep at a younger age, however, could drive down growth hormone prematurely, accelerating as a result the fat-gaining process. In addition, there is also research that indicates a lowering of the hormone testosterone as well, something that would also make the gaining of fat and the loss of muscle and easy thing for the body to do.

Increased carbohydrate cravings: This is due to the fact that sleep depravation negatively affects the production of a hormone called Leptin. This hormone is responsible for telling the body when it is full. However, with decreased production of this hormone, your body will crave calories (especially in the forms of carbs) even though its requirements have been met. Not a good situation to be in for a dieter.

Weakened immune system: Research indicates that sleep deprivation affects adversely the white blood cell count in humans as well as the body's ability to fight infections.

Increased risk of getting breast cancer: Richard Stevens, a cancer researcher at the University of Connecticut Health Center, has speculated that there might be a connection between the epidemic of breast cancer and hormone cycles disrupted by late-night light. Melatonin, primarily secreted at night, may trigger a reduction in the body's production of estrogen. But light interferes with melatonin release (recall that the hormone is secreted in response to a lack of light), allowing estrogen levels to rise. Too much estrogen is known to promote the growth of breast cancers.

Decreased alertness and ability to focus: A recent study showed that people who were awake for up to 19 hours scored worse on performance tests and alertness scales than those with a blood-alcohol level of .08 percent-legally drunk in some states.

Hardening of the arteries: Some studies suggest that the stress imposed on the body due to lack of sleep causes such a very sharp rise in cortisol levels. Such an imbalance can lead to hardening of the arteries, something that can cause a heart attack. In addition, we also know that very high cortisol levels lead to muscle loss, increased fat storage, loss of bone mass, cause depression, cause hypertension, cause insulin resistance (the cells in the body lose the ability to accept insulin), and lower growth hormone and testosterone production.

Depression and irritability: Lack of sleep also causes depletion of neurotransmitters in the brain that are in charge of regulating mood. Because of this, sleep deprived people have a "shorter fuse" and also tend to get depressed more easily.

Conclusion

So there you have it boys and girls, you need 7 - 9 hours of sleep (8 being the ideal) each night in order for your body to run efficiently. Deprive your body of sleep and you'll have lousy fat loss. As a bonus, you also get muscle loss which lowers your metabolism. The reason for this is because without enough sleep the body stops producing anabolic hormones (Muscle Producing/Fat Burning Hormones; e.g. Testosterone and Growth hormone) and starts increasing the production of catabolic hormones (Muscle Destroying/Fat Depositing Hormones e.g. Cortisol). Also, you will lack the energy and focus to get through your workouts and it will also lead to overtraining as you won't be able to recover anymore. To top it off, there is research that indicates that a lack of sleep creates cravings and binges in addition to hardening of the arteries which leads to heart attacks. If you don't think that you have enough time to sleep, then turn off the TV and make the time!


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Hugo Rivera CFT, SPN, BSCE. is a lifetime natural bodybuilder, multi certified personal trainer, industry consultant and fitness expert who not only knows training and nutrition theory, but also applies it on a daily basis as evidenced by the fact that he's always in shape and by his awards and high placings at numerous national level bodybuilding competitions. He is also an internationally known best selling fitness author with a very successful franchise of books called "The Body Sculpting Bibles" which collectively have sold over a million copies. Hugo is also author of the very popular “Body Re-Engineering” e-book, which teaches you how to gain lean muscle mass and get lean without drugs, or fancy expensive supplements, using the secrets he devised after many years of weight problems as a child. For more information on Hugo’s Muscle Building / Fat Loss Program please click on the link: www.losefatandgainmuscle.com

 

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