After 30 years of production of the male hormone in an organism begins to decline by about 2 % per year. For 40 years the quality of sleep is also noticeably worse. Canadian scientists have found a correlation between these two facts. "It is particularly important for well-being the amount of the so-called deep sleep," write the study authors.
Young people on this phase up to 20 % of all "sleepy time". The 50-year - only 7 %. Scientists attribute this to the fact that young men neural circuits involved in the activation of brain activity, yet not damaged. With age, the neurons are damaged, and the synchronization is broken. This leads to the lowering of testosterone level and then to the deterioration in the quality of sleep.
A new look at the problem (previously it was believed that, on the contrary, lack of sleep leads to lower testosterone) can change the approaches to its correction - for example, will be used hormone therapy.
Source:
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