Scientists from the University of Colorado Boulder found that female mice’s sleep was disturbed more easily than male mice. Most likely, this difference is due to the production of stress hormones. Research results It was published In the journal Scientific Reports (SciRep).
Scientists conducted a non-invasive study of the sleep patterns of 267 C57BL/6J mice using special cages with highly sensitive motion sensors. The results showed that men slept an average of 670 minutes per day, about an hour longer than women. In men, the extra sleep occurred during the non-rapid eye movement (NREM) sleep phase, which is important for the body to recover.
Nocturnal mice typically nap for short periods of time, interspersed with brief periods of wakefulness. The study also confirmed that female mice had even shorter sleep times. Scientists say similar sex differences have been observed in other animal species, including fruit flies, rats, zebrafish and birds.
“From a biological perspective, it is possible that women are designed to be more sensitive to environmental changes. Senior study author Rachel Rowe, an assistant professor of integrative physiology at the University of Colorado, explained that the ability to wake up frequently may be related to the need to care for offspring.
Researchers also suggested that hormonal factors, such as the stress hormone cortisol and sex hormones, may also play an important role in differences in sleep quality between men and women. For example, during certain periods of the menstrual cycle when estrogen and progesterone levels are low, women’s sleep quality decreases.
Previously found The link between insomnia and chronic kidney disease.
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Source: Gazeta
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