父は過労で倒れて入院した。
My father collapsed from overwork and was hospitalized.
炎天下の作業中に熱中症で倒れる人が相次いだ。
One person after another collapsed from heatstroke while working under the blazing sun.
祖母が脳梗塞で倒れたと連絡があった。
I got word that my grandmother had been struck down by a stroke.