Sleep and Dreams

Sleeping is very important, and dreaming plays a pretty important role while we sleep. Sleeping helps us do the following: recharge our brain, and to shut down and repair our neurons. Sleep also lower's a person's metabolic rate and energy consumption. The cardiovascular system gets a break. Also growth hormones are released during deep sleep for kids and young adults. In this video we learned about dreams in REM sleep and in Non REM. Rapid eye movement sleep (REM sleep) is a normal stage of sleep characterized by the rapid movement of the eyes. Some experiments were done and when the subjects were woken in REM sleep they wrote more positive words given the first letter. Supposedly REM sleep causes negative emotions because of a part of the brain called the amygdala. I find very interesting what is done during our sleep and for what is it. It is a area of knowledge not fully explored. It is very exciting what we dream and it is for. Some scientists are trying to find what dreams mean. Some say that we have dreams to know how to react to specific situations in real life. One thing I find pretty interesting is lucid dreaming, in which you are aware you are in a dream. Imagine taking control of your dream and being able to do what you want, even things that won't happen in real life!