Significance of Sleep – Sleep Tips for Healty
Humans can make do longer without food than sleep ,While you might feel better prepared to stay up all night partying than to give up eating, that feeling will be relatively short lived. Provided there is water, the average human could survive a month to two months without food depending on their body fat and other factors.
Sleep deprived people, however, start experiencing radical personality and psychological changes after only a few sleepless days. The longest recorded time anyone has ever gone without sleep is 11 days, at the end of which the experimenter was awake, but stumbled over words, hallucinated and frequently forgot what he was doing.
Adequate sleep is essential for the optimal production of Human Growth Hormone (HGH) which repairs and increases muscle and Inadequate sleep depresses the immune system, which can weaken academic or athletic performance, especially during the stress of finals or competition.
Not getting enough sleep causes a rise in ghrelin and a drop in leptin hormonal changes trick the body into feeling hungry and prevent the body from feeling full even when food intake is adequate. This also contributes to obesity.