The symptoms of primary insomnia and the effect on insomnia are: "It is difficult to initiate or maintain recovering sleep causing fatigue, persistent severity leads to clinically significant pain or dysfunction" (VandenBos, 2007, p. 485) Brain pineal gland produces melatonin, which is associated with circadian rhythm and helps to control sleep (Gillam, 2009 ). Using sleeping polygraphs, researchers have discovered that sleep deprivation may be the first phase of long-term sleep, but there is not enough time for phases 3 and 4.
Primary insomnia usually occurs without symptoms or side effects of the condition. This type of insomnia usually occurs in the shortest moon. Problems that change the life that occurs can cause the major insomnia in people. For example, people who are working overtime to complete a large-scale work project or those who are concerned about investing money. But even if the problems they encountered were solved before, people may still suffer from insomnia. This is because some people have acquired habits at this time of insomnia such as taking a nap at night or sleeping at the wrong time.
According to research conducted by the Department of Health and Human Services, 30% to 40% of the population suffer from insomnia in one year. Approximately 10% to 15% of people claim they have chronic insomnia, which means that symptoms appear for at least 3 weeks a week for more than a month. The 4 hour group was far worse than the 6 hour group, but about a quarter of the 6 hour group fell asleep on the computer on the 6th day. Two weeks later, the 6 hour group did not work as though it had been deprived of 24 hours of sleep. This is the same as completing a task when you are drunk.
Chronic insomnia lasts more than one month. Most cases of chronic insomnia are secondary. This means they are symptoms or side effects of certain other medical problems such as specific medical conditions, drug treatment and other sleep disorders. Caffeine, tobacco, alcohol and other substances may also be the cause. Insomnia leads to daytime drowsiness and energy shortage. It will also make you feel uneasy, depressed, or upset. You may not be able to concentrate on work, attention, learning, memory. Insomnia can also cause other serious problems. For example, you may get sleepy while driving. This may cause you a car accident