首先，睡眠者在半梦半醒及不同调节机制之间转换时进入睡眠状态，呼吸可能短暂地停止或减少。

First, there may be a brief cessation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms.

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减少无效的状态转换调用。

REDUCED INVALID STATE TRANSITION CALLS.

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再次减少了个人记录类型的复杂程度，状态转换也减少了设计计划的时间。

Again, reducing the complexity of individual record types and state transitions reduces the time required to design the schema.

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