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The energy conservation sleep theory summary help with history assignment: help with history assignment
The energy conservation theory
This theory holds that we sleep in order to conserve energy. This has been greatly supported by scientific experimentation. It has been demonstrated beyond reasonable doubt that organism’s energy demands falls by more than 10% (in humans) and even more than that in other animals when they are asleep than when they are active. This, the theorists claim, is very important for living organisms to survive especially when there is scarcity of energy resources. Whereas this seems to be objective reasoning, it has not been spared critics. One such criticism argues that if animals sleep majorly to conserve energy (which is deemed to be scarce according to evolution theorists) why then animals with plenty of resources also sleep?
The restorative sleep theory assignment help summary global history essay help
The restorative theory
This is one of the most recent theories that seek to explain why animals sleep. It argues that human beings and animals a like need to sleep in order to restore and rejuvenate worn out tissues during the period they have been active or awake. This theory has a lot of scientific backing perhaps explaining why it has gained a lot of popularity. One such evidence is that experiments have shown that animals which have been derived of sleep totally die in a matter of weeks. Additionally some body processes have been demonstrated to take place mostly (if not only) during sleep. These include tissue repair, muscle growth, growth hormone release and protein synthesis.
The brain plasticity sleep theory summary history homework: history homework
The brain plasticity theory
This is yet another modern theory attempting to explain why we sleep. The proponents of this theory argue that sleep is so much correlated to the changes in organization and structure of the brain. This phenomenon is the one that has been termed as brain plasticity. It is still under research and conclusive answers have not been given. One of the supporting findings in this theory is that babies sleep for about 14 hours a day so that their brains could develop. Similarly whenever an individual seems to have a mental disorder like after an accident, he goes on a comma such that his brain could reorganize and restructure to normal. There has been also growing evidence of special link between brain plasticity and sleep even in normal adults. This has been demonstrated in experiments involving sleep and sleep deprived individuals. Individuals who get good sleep undoubtedly work, reason and perform variety of tasks very well than their sleep deprived counterparts.
Scientific and common sense backing conclusion history assignment help online
Whereas all this theories have some scientific and common sense backing in their attempt to explain why animals sleep, none gives a conclusive answer on its own. Thus we can confidently say that we sleep due to all of this reasons that have been advanced by these four theories. Modern theories are only attempting to give empirical evidence to long known facts. In conclusion remember that irrespective of whether one day we will have a self sufficient answer as to why we sleep or not, one thing remains clear: sleep is a very vital part of our lives. Therefore we should spare ourselves some good time and have a good sleep if we are to be productive besides staying healthy.