以下为句子列表：
英文: As our researchers found that when people comes to their middle and old age, most of them can't have a high-quality sleep because their body diathesis decline and the physiological function slowly crack up.
中文: 因为我们的科研人员发现，人到中老年，随着身体素质的下降和生理机能的渐衰，一般睡眠质量都不高。
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