It is seen that as people grow old they tend to sleep less. Ofcourse, there can be various reasons for this, like their body and brain tend to function less as people grow old. Proper sleep and the cognitive functioning of the brain are interrelated. But what is cognitive functioning of the brain? It is the high level functioning of the brain, comprising of learning, storing information, logic application and problem solving capacity of the brain.
Whether it is the quantity, meaning amount of sleep, or the quality i.e peaceful sleep or disturbed sleep, or lack of sleep that is responsible for the cognitive functioning of the brain is a subject of debate. It is seen that elderly people who are insomniacs and have trouble sleeping are more prone to improper and unstable functioning of the brain.
It is concluded that inadequate sleep is the main cause of memory loss, but if proper medication is taken along with exercise and a healthy diet, together these can slow down the pace of this malfunctioning of the brain.
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