Stimulants are substances that rev up the nervous system, increasing heart rate, blood pressure, energy, breathing and more.

兴奋剂指的是可以加快神经系统活动，增加心率、血压、精力和呼吸等等的物质。

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These mild stresses can arouse a person's nervous system and lead to an increase in heart rate and blood pressure, shallow breathing, sweating, muscle tightening, and an inability to sleep.

这些轻微的压力可以刺激一个人的神经系统，会导致心率和血压的增加、呼吸急促、出汗、肌肉收紧和无法睡眠。

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Most men have the habit of cigarette smoking, the nicotine in cigarettes causes blood pressure, damage the respiratory system, resulting in breathing during sleep is not smooth;

大部分男性都有抽香烟的习惯，香烟中的尼古丁会使血压上升，危害呼吸系统，造成睡眠时呼吸的不顺畅；

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