Question

How could work hours and shedule affect how attractive a job is?

Answer 1

Less working hours is what every one dreams of....
and schedule in the way that it is flexible according to the employee's daily routine and the person gets enough time to relax and enjoy time to oneself

Answer 2

it affects the amount of rest you get and the amount of time with family / friends

A particular person could have conflicting activities.

They would have to schedule everything they want or need to do around their schedule for work