Essay on Night Night is a period of time in which, sun is below the horizon. And for us night is the time to rest. Sleep is necessary for our body to get recharge our body after our hard work of our day time and sleep is not an optional activity. A good night sleep is very essential. Lack of sleep can lower down the concentration, touchiness, decreased reaction time and day sleepiness and also it can affect the relationships. Here are some tips that will help you to get good night sleep. in Public bookmarkswith bestcollegeeducationessayfreenightonpaperstudentsteachersukuniversityusa.