Scientists have discovered different types of brain activity in sleep. Researchers found that sleep helps a lot in remembering of new words and filling the vocabulary.
Each REM phase contains at least one dream, so you should remember at least two or three to one sleep. Here are some techniques that will help you to remember your dreams better.
Less than 6 hours of sleep reduces the child 's intellectual level of 20-30 , scientists have calculated. Importance of duration of sleep on children 's intellectual level.
One third of our lives is spent in deep sleep. For more than a century medics are trying to unravel the state of mind during this time. Do people know why they need to sleep?
Mental disorders such as depression and Parkinson 's disease for example, adversely affect the development of sleep. Types of insomnia - primary insomnia, awakening during the night.
When you sleep for 5 to 6 hours everyday, you put at risk your mental and physical health. Symptoms of lack of sleep are irritability and disturbances of concentration, deep depression and bad moods.
People who sleep five or fewer hours per day, more often suffer from overweight and obesity. It is assumed that the duration of sleep affects the speed of Metabolism.
It was found that less sleep is dangerous to health, it lowers the mood, leading to depression and diseases of the endocrine system. Caesar and Napoleon slept less then 6 hours per day.