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nap is written in our genes?

as Celtiberian
That custom (Hispanic yoga, called him the Nobel Prize Camilo José Cela) which is the siesta may be written in our genes.

From dawn until noon, the temperature of our body increases. From 12 am to 3 pm, however, the agency experienced a small drop in temperature accompanied by some drowsiness.

has been speculated that these responses are due to the need to cool the brain, which (like the rest of the body) heat has accumulated throughout the morning. The brain therefore becomes inefficient and has developed mechanisms to work again for the rest of the day, such as self-induced sleep and the cessation of activity, as this contributes to a decrease in heat production by the body and, consequently, a decrease in temperature. Just today one thinks that one of the functions of sleep may be to cool the brain, overloaded by the work to which it is subjected during the day. For Justin Blau, Laboratory of Genetics, Rockefeller University, New York, the only thing that is clear is that there is a natural bias in the human circadian rhythm sleep in the afternoon, "but that does not mean you have to sleep. " According to this expert, the nap makes biological sense, especially in hot climates, where animals spend much energy trying to be fresh while they are active during most of the day.

For Dr. Emilio Rodríguez Sáez, Sleep Unit of Clinical Neurophysiology Service General Hospital of Vigo, the nap is natural and necessary and recommended for everyone, with few exceptions.

A study on the effects of the siesta in industrialized countries revealed that 92.5% of workers, a nap after eating increased productivity, creativity and ability to solve problems. That is, not only work harder but better.
Of course, addicted to napping, beware: that this dream is truly repair, the nap should be limited to 10 or 15 minutes. That is, the average time it takes the light sleep before entering deep sleep or REM sleep.
And it is this first type of dream (the surface) that seems more efficient and able to meet the needs of heat loss through the body. The other type of deep sleep, that is known as REM sleep or REM sleep, produces deep relaxation of all muscles of the body and a disconnection from the world around us, which leads to awaken a long recovery from the reality of and surrounding muscle tone.
In the U.S., scientists like Dr. William A. Anthony, director of the Center for Psychiatric Rehabilitation at Boston University (USA), argue that the siesta is becoming a common practice. Intended that companies should be taken seriously and incorporated nap lounges where workers can recharge their batteries.

far, there has already achieved a National Day of Napping at Work, which was held for the first time, April 3, USA.