When we sleep, sleep long, by regulation of circadian rhythm system and self-balancing system management.

当我们睡觉，睡眠长，通过系统的昼夜节律调节和自我平衡的系统管理。

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When we sleep, sleep long, by regulation of circadian rhythm system and self-balancing system management.

当我们睡觉，睡眠长，通过系统的昼夜节律调节和自我平衡的系统管理。

youdao