I would say it really depends what work/life balance you're after, plus any out of work activities.
I WFH and have reasonably flexible hours (although core hours is something like 10am-3pm), so some mornings i've started early and done a 07:30-15:30 shift if my partner has also had to get up early. If she's had a later start, then sometimes i've not got up and started until 09:30.
I do have some flexibility in terms of if i needed to do a half day Fri, then that wouldn't be an issue, but probably would be more of an issue if i wanted to do that every Friday. Sometimes it would be nice to be able to do a 4 day week, and then have Friday off.
Also if you've got no fixed hours, you might find some evenings (especially this time of year when it's dark, wet and cold out) you might be able to slot a few extra hours in, and have some extra time off during the day.