The day is far too short for all the tasks that have to be mastered. And the faster the time, the more we wonder if sleep really has to be or if it can not be reduced by a few hours. After all, we spend a third of our lives sleeping. Why this is so, the researchers do not know until today. One thing is for sure, sleep is not a waste of time but vital. Everybody knows who has to stay awake before.
Lack of sleep has consequences
While science in sleep laboratories has examined what happens in the body during the night and what sleep deprivation causes, it still remains a mystery why humans and animals actually need to sleep. That lack of sleep leads to physical discomfort, everyone has already noticed. Diminishing job performance and difficulty concentrating after a night’s sleep are the consequences. In addition, sleep plays an important role in coping with stress.
Learning while sleeping
Sleep helps to process learned knowledge. With this knowledge learning in sleep seems to be no dream. Scientists suspect that during deep sleep and REM sleep (REM: Rapid Eye Movement), the brain processes and processes everything that people have experienced during the day. Only in this way can memories be remembered forever. The heart can also recover at night. During the non-REM phases, blood pressure and heart rate go back – so the scientists. An average of 10 percent of daily output is saved during the night. It has also been shown that sleep regulates our hormonal balance. In the deep sleep phases, for example, more growth hormones are produced, which are responsible in addition to the growth for the development of muscle mass and the repair of damaged tissue. Cell hormones are important for our immune system.
More susceptible to diseases
For example, unattenuated people produce less antibody after vaccination and are more susceptible to infectious diseases. Initial research suggests that sleep also regulates appetite and weight. All these findings are still airing not the secret sleep. Rather, there are many theories that govern our phenomenon. Sleep needs are on the trail. The theory of regeneration seems to be on the lookout to be quite plausible on the body reactions found in sleep: sleep offers the body the possibility of regeneration and healing. Hormone balance, immune system and brain regenerate at night. Sleep as a recovery in the sense of regeneration – that sounds good. It is therefore worthwhile to sleep sufficiently when sleep makes us healthy and smart.
