Probably everybody has had at least one time in his lifetime that a heavy night of sleep where he could not sleep.
A storm or a too late and very consistent dinner are simply two examples which can lead to sleep issues.
From a medical viewpoint, insomnia is the problem of falling asleep when it requires over 45 minutes to fall asleep.
Insomnia is a sleep disorder that manifests by reducing the length and depth. May result from debilitating abdominal disasters, neuralgia, hypertension, neurosis, psychosis, encephalitis, intoxication, diabetes, hyperthyroidism, psychological crisis etc..
– transient insomnia: it only lasts for many nights and is brought on by an unpleasant event that produces dissatisfaction or frustration.
Complete persistent insomnia is characterized by a permanent fatigue; the individual almost can’t fall asleep, and in the morning he’s in a state of melancholy. It can be prevented by following a sensible work and rest regime and by administering painkillers or sleeping pills.
Sleep is crucial to life, exactly like food and water. That is why, in the past 25 years, scientists have given the occurrence a particular focus, which has attracted to the discovery of many interesting items.
We are in need of sleep to develop, restore and work to optimum parameters. Memory and vigilance are contingent on the level of sleep, as well the ability to focus and learn, therefore, while sleeping our mind is re-energizing, cells are regenerate.
Also lack of sleep may lead to an increase in weight by about 900 g per week since we’re bothered by hormonal balance and we’ll feel the need to eat more frequently.
REM sleep where we have dreams, happens in gust, about 90 minutes after falling asleep, usually summing up about two hours each night. Some scientists think that dreams help us to put memories in memory in the long term. Others, on the contrary, consider that dreams help us remove some memories which are over that overlap and which otherwise could obstruct brain activity.
REM sleep may play an essential role in brain development.
Also, fatigue brought on by poor sleep causes 1 in 6 fatal road injuries.