How many hours of sleep is enough? Most people need between 7 – 9 hours of sleep a day. Most people sleep 7 – 8 hours a day and experience mental and physical impairment if they are deprived of such a chance. However, for some of us 3 – 4 hours are enough.
Most scientists suggest that varying amount of necessary sleep for different people accounts for genetic mechanisms. In comparison with nineteenth century the duration of the sleep has been 20% reduced. Now we sleep half and an hour less than two centuries ago. Technological innovations appear to break the natural rhythm of our body, thus affecting our biological watch.
What is the needed amount of hours an average human requires? According to the statistics the amount of hours should equal seven-nine hours. The majority sleeps seven-eight hours a day and experiences feel mental and physical exhaustion and do not feel lucky to have this little sleep. Some lucky people though feel great after a four-five our sleep and are full of energy and desire to work. Where does the difference come from? Scientists believe that this is due to genetic peculiarities of a human being. If to compare the average amount of sleep in the nineteenth and twentieth century, it has been reduced in 20%. People sleep half an hour less than people used to do in the nineteenth century. Biorhythms of people are affected by technological progress and some of the innovations that keep people busy longer and require more time to work on them. Can you find a person that doesn’t like sleeping? Researchers are able to prove that sleep is essential immune system improver, and is not less vital than food, drinks and sex. In my family sleeping was a sacred ritual. There was an unspoken rule, waking someone up in the middle of sleep is a crime.
Looks very simple if no the daily routine influenced. Schools and kindergartens start working in early mornings and parents take them there, some people have to start working at the crack of dawn, students may sit till late night writing their assignments and studying for the tests. Once a hard day passes there is only one thing you dream about – to relax on your favourite couch and forget about everything in a sound sleep.
There is a group of people that live in the moonlight. When there is a possibility to go to the night club without hesitation about incomplete assignments, a term paper for instance; have chats with friends and do all the things that are extremely difficult to be managed in the daylight. Imagine the level of their exhaustion when after a sleepless night one has to get up two hours later. No adrenalin provides help, you feel distressed, weak exhausted and worn out. Such rhythm of life results into difficulties with health and immune system.
Sleepless nights do not only help to stress a person out, but to gain weight, as Mere Craiger, sleeping problem specialist from Manitobe University, Canada. Your body performs a lot of functions including physical and emotional and sleep is the cure to exhaustion. Your mind should not struggle with your body and give it a break in the form of rest and good sleep.