Only with the proper knowledge can you learn to optimize and strengthen your sleeping system, to have more energy and a higher level of health.
只有正确的理解才能使你认识到去优化和加强你的睡眠系统，使你更有活力和更健康。
Questionnairing was conducted in 423 villagers over 10 years-old, covering malaria history in the past 2 years, knowledge on malaria and its control, use of mosquito nets, and out-door sleeping habit.
对其中423人进行问卷调查，内容包括两年内疟史、疟防知识知晓情况、蚊帐使用情况、露宿习惯等。
Questionnairing was conducted in 423 villagers over 10 years-old, covering malaria history in the past 2 years, knowledge on malaria and its control, use of mosquito nets, and out-door sleeping habit.
对其中423人进行问卷调查，内容包括两年内疟史、疟防知识知晓情况、蚊帐使用情况、露宿习惯等。
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