If an employee works over 40 hrs a week and has sick time within that same week, does the employer have to pay sick time, since the employee has already generated 40 hours that week? would the same apply for vacation time?

If an employee works over 40 hrs a week and has sick time within that same week, does the employer have to pay sick time, since the employee has already generated 40 hours that week? would the same apply for vacation time?