Is sudden death of night shift temporary workers a work-related injury?

It can be identified as a work-related injury.

Regulations on industrial injury insurance

Article 62 If an employer fails to participate in work-related injury insurance in accordance with the provisions of these Regulations, the social insurance administrative department shall order it to participate within a time limit, pay back the work-related injury insurance premium that should be paid, and impose a daily overdue fine of 0.5 ‰ from the date of default; Failing to pay within the time limit, a fine of 1 times shall be imposed.

If an employee of an employer who should participate in work-related injury insurance in accordance with the provisions of these regulations suffers from work-related injuries, the employer shall pay the fees in accordance with the treatment items and standards of work-related injury insurance stipulated in these regulations.

After the employer participates in work-related injury insurance and pays back the work-related injury insurance premium and overdue fine, the work-related injury insurance fund and the employer shall pay new fees in accordance with the provisions of these regulations.

Fifteenth employees in any of the following circumstances, as a work-related injury:

(a) died of sudden illness during working hours and at work, or died within 48 hours after being rescued;