なぜ眠るのか

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Sleep is essential for our physical and mental health.
Sleep is essential for our physical and mental health.
When we sleep, our body repairs damaged cells and restores energy.
When we sleep, our body repairs damaged cells and restores energy.
Without sufficient sleep, our immune system becomes weak, making us more vulnerable to illness.
Without enough sleep, our immune system weakens and becomes more vulnerable to disease.
Sleep also helps our brain process information and consolidate memories from the day.
Sleep also helps our brain process information and organize the memories of the day.
Studies show that people who get adequate sleep have better concentration and decision-making skills.
According to research, people who get enough sleep have better concentration and decision-making abilities.
Additionally, regular sleep improves mood and reduces stress and anxiety.
Additionally, regular sleep improves mood and reduces stress and anxiety.
Most adults need seven to nine hours of sleep each night for optimal health.
Most adults need 7-9 hours of sleep every night for optimal health.