Different age groups need different amounts of sleep. Research suggests that most healthy adults need seven to nine hours of sleep each night. Children and adolescents need more sleep than adults. However, our need for sleep is also an individual characteristic. In other words, the amount of sleep you need to feel your best may be different for you than for someone who is the same age and gender. While you may feel good after sleeping just 7 hours a night, someone else may need 8 or 9 hours.
[英語から日本語への翻訳依頼] 年齢層により、必要な睡眠量は異なる。研究によれば、健康な大人のほとんどには毎晩7~9時間の睡眠が必要だと言われている。子どもや若者には大人より多めの睡眠が...
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