Sleeping is dependent on the instinctive conditions because the society in which we live, we are used to the way of living there and after that, it also affects our sleeping.
Sleeping is also affected by the environmental conditions because a healthy mind requires 7-8 hours of sleep without any disturbance and only after that our mind can work properly.
Sleeping the main part of the life survival and if it will not be taken properly by the person, he\she will be unable to do the work with full concentration and accurately.
