一、开窗。不论春夏秋冬，应该适当地开开卧室窗户，这样可以使室内的二氧化碳排出室外，否则，卧室内的二氧化碳浓度会不断增加，对人体有害，影响健康。二、查气。有煤气的用户应检查一下煤气开关；有煤气热水器的用户应查一下热水器是否关闭，以免造成燃气中毒。三、洗脚。? First, open the window. Regardless of the seasons, you should open the bedroom windows properly, so that indoor carbon dioxide can be discharged outdoors, otherwise, the concentration of carbon dioxide in the bedroom will continue to increase, harmful to human health. Second, check the gas. Gas users should check the gas switch; gas water heater users should check whether the water heater is turned off, so as to avoid gas poisoning. Third, wash your feet. ?