Scientists have identified the first biochemical marker linked to sleep loss, an enzyme in saliva known as amylase, which increases in activity when sleep deprivation is prolonged.

经研究发现首个与失眠有关的生化标记。该标记是唾液中的一种酶，学名淀粉酶。当延长睡眠剥夺时间时，这种淀粉酶的活性就会随之增高。

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Scientists have identified the first biochemical marker linked to sleep loss, an enzyme in saliva known as amylase, which increases in activity when sleep deprivation is prolonged.

经研究发现首个与失眠有关的生化标记。该标记是唾液中的一种酶，学名淀粉酶。当延长睡眠剥夺时间时，这种淀粉酶的活性就会随之增高。

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