主语是individuals ,谓语是have,宾语是much higher rates of developing certain kinds of disease,who average less than six hours of sleep 是定语,修饰individuals,整个句子的意思是睡眠时间少于6小时的人有更高的机率患某种病,即更有可能患某种病。
主语是individuals ,谓语是have,宾语是much higher rates of developing certain kinds of disease,who average less than six hours of sleep 是定语,修饰individuals,整个句子的意思是睡眠时间少于6小时的人有更高的机率患某种病,即更有可能患某种病。