A physiological information measuring method and a wearable device are provided. The physiological information measuring method includes measuring physiological information of an user in a discontinuous manner by a wearable device worn on the user while the user is sleeping. The wearable device is configured to perform the physiological information measuring method.一種生理資訊量測方法與穿戴式裝置。此生理資訊量測方法包括在一使用者的一睡眠狀態中,由使用者所穿戴的一穿戴式裝置以一非連續方式量測使用者的一生理資訊。此穿戴式裝置用以執行前述的生理資訊量測方法。無。