Tag: ‘sleep’

A Good Nap-Improves Memory

A Good Nap-Improves MemoryA recent study reveals so: sleep at least 45 minutes help the brain to process information for memory. Thus, according to Dr. Matthew Tucker, “a nap improves the performance of various tasks, especially in people who learned something very well before bedtime. “In contrast, a nap does not have the same boosting effect on people who learned something without much interest before sleep,” adds Tucker himself, Beth Israel Deaconess Medical Center in Boston, Massachusetts.
His team studied how a 45-minute siesta influenced the memorization of factual information and space. The study involved 11 men and 22 women, all university students. Students who had not consumed caffeine, alcohol or drugs, were about 23 when she attended the sleep laboratory at the University of New York, for the study.

According to article published in the journal ‘Sleep’, participants made three memory tasks: a link be 60 pairs of words such as tree-nose, while in another they had to navigate a maze on a computer screen and the Finally, had to copy a complex figure in 5 minutes. Then the researchers put the students at random in different individual sleep chambers where 16 had to sleep and 17 had rest, but without sleep. After 10 minutes, the group that did not have to sleep went to another room to watch TV while the rest take a nap of 45 minutes. After two hours, and once all participants had seen the same film, the team asked to recall the word pairs and, furthermore, they measured the speed and accuracy in the maze and the ability to redraw the memory complex figure. Among students with high performance in initial testing, those who stayed were more successful at returning to perform the three tests than those who had remained awake. Instead, write the authors, the nap did not improve memory in those with initially low performance.


What is insomnia?

What is insomnia?
Insomnia is one of the most common sleep disorders.

Although insomnia is usually conceived only as difficulty initiating sleep, the truth is that difficulty sleeping can take several forms:
* Difficulty falling asleep at bedtime (initial insomnia, the most common of the three).
* Frequent awakening during the night (middle insomnia).
* Waking up too early in the morning, earlier than planned (terminal insomnia).
This prevents the recovery that the body needs during sleep, can cause daytime sleepiness, poor concentration and inability to feel active during the day.
There are several determinants of this sleep disorder. Factors such as stress, high body activation or depression are relevant. At present, it is common prescription drugs for short-term treatment of insomnia. However, there is an adequate solution to medium and long term, preferring to evaluate in these cases other techniques such as behavioral or cognitive therapy. A leading issue in addressing this disorder (insomnia is actually a symptom, not a disease) is to educate patients about the principles of prophylaxis or call sleep hygiene.

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