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 controlmechanisms.
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。
2
Controlmechanisms to ensure compliance.
控制机制以确保遵从性。
3
Existing access controlmechanisms are not bypassed.