[codegeek]

In theory, it is possible since this is offered by a lot of startups these days. However, it also means that they are not obligated to give you anything unless you ask for it. So I would suggest you do this :

Ask the prospective employer one question : "Do you know on average how many days were taken off by each team member during the past 2 years ?". That will give you an idea.

[berito]

I have been apprehensive about asking that question, lest they judge me for a slacker. I want to ask in an email, but want to learn something about how this works before I email them

[onlyup]

I'm sure OP already asked that. That question comes right after "Can you tell me how that works?"