Sleep is the process wherein the body gets relaxed. The brain activity is lowered for some time and the voluntary body activities are paralyzed. Sleep is man’s ultimate form of rest in every day of their lives. Sleep is actually governed by some laws of time and body physiology. The body clock tells the body if it is time to sleep, this is the time when people get sleepy and if they fight it longer than enough the body will react to the messages given by the body clock like falling eyelids, loss of body coordination and mixed up mental activity.
It is natural for human beings to sleep. It is a requirement for survival and it is a requirement for humans to do their job efficiently. Sleep is a natural course in the everyday lives that is why human feel sleepy during their supposed bedtime. It might be necessary to stay awake for some hour longer but it will be a detriment not only to the sleeping process if it is done in a regular basis.
The Need to Sleep
Some people say that they are the people who do not need sleep. They say they can fight it. But this are the people who are likely to work less efficiently compared to the people who sleep. Sleep is a need; first basic reason is that sleepiness can cause accidents. This usually happens in the roads where people tend to drive home late night and their body coordination malfunctions. And they also tend to sleep while driving. This causes not just road accidents but damage to property and the possible loss of lives. Lack of sleep can also affect the total brain activity of the person. The usual mental activity like basic calculations will take longer than usual. Memory is also being affected. This is because the brain did not get its proper rest so it gets worn out causing its activities to slow.
Lack of sleep also causes the person to get a little bit moody. They get easily irritated and they tend to react with situations rashly. It can also cause a lot of health problems like heart disease, heart attack, heart failure, irregular heartbeat, high blood pressure, stroke and diabetes. This is because of the stress and strain that the body has to endure while it is awake. The muscles and veins are acquiring a lot of pressure causing all of these health problems.
Lack of sleep can also affect the skin health. The luster of the skin is lost because of too much stress. The skin cells are reacting to the strain in the veins and the muscles that is why it is not getting enough blood and oxygen.
These are the reasons why we need to sleep. Sleep allows the body to rest and to regenerate the body’s activities. Sleep brings the whole body in a state wherein it is like being recharged. This helps the cells of the whole body to release stress and work properly once it wakes up. The question why we need to sleep can be answered with many answers like the ones above. But the simplest answer is that we suffer without it.