Posted 2024.01.01 15:55 Views 1 Posted 2024.01.01 15:55 Modified 2024.01.01 15:13 Views 1
[사진=게티이미지뱅크]In recent times, the number of couples sleeping in separate rooms has been increasing. The number of couples who do not share a separate room but are thinking of changing the double bed for a single one is also increasing.
When a couple shares a bed, they may feel safe and comfortable, but the situation changes if the spouse snores or keeps tossing and turning while sleeping. Concerns are growing that it will be difficult to sleep well.
According to a recent paper published in the academic journal Current Biology, rats that slept together showed that although they slept and woke up together, their overall sleep quality decreased.
Researchers led by Ada Evan Rothschild, a professor of psychology at the University of Michigan, studied the effects of co-sleeping on sleep quality in rats. By monitoring brain activity during sleep, the researchers were able to track the rats’ sleep intensity and sleep-wake cycle.
The study found that co-sleeping mice tend to fall asleep and wake up at the same time, synchronizing the intensity of their REM (non-rapid eye movement) sleep. REM sleep is a concept that encompasses three stages of sleep, including deep sleep, which is essential for physical recovery and memory strengthening. However, synchronizing sleep stages has also been found to fragment sleep and reduce overall sleep quality.
But despite these difficulties, the rats tried to find other rats to sleep with. The rats were willing to give up their favorite spot and environment to sleep next to their fellow rats.
Another interesting finding was that REM sleep was synchronized between male sibling rats sleeping together, but not between female or unfamiliar rats. The exact reason for this gender difference is unclear, but researchers hypothesize that the degree of synchronization may vary depending on how confident one feels.
“The results clearly show that not everyone responds equally to co-sleeping,” the researchers said. “If the benefits of comfort and safety outweigh the potential inconvenience, co-sleeping could be a good choice. However, if you wake up every hour with the sound of snoring near your ear, it might be a good idea to use a separate bed.”
Journalist Park Joo-hyeon
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2024-01-01 06:56:33
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