I think this article applies even for established companies regardless of where the funding comes from or if they're a startup. I have a friend who decided to

I think this article applies even for established companies regardless of where the funding comes from or if they're a startup. I have a friend who decided to take a 20% pay cut to work only 4 days a week and now feels more productive and happy, whereas another friend I know prefers working 60-80 hour weeks and then taking a month off. Either way, it seems obvious that even the most productive, passionate people need downtime to recharge.