Disclaimer: I'm going to comment on my personal experience running a free web application, http://sleepyti.me . It's not meant to be self-promoting, but I feel that the experience is relevant. There are a lot of ways to make actual profit (not just break even) with free applications. The Hacker News crowd doesn't always show a lot of love for the "small, free application" crowd, and the echo chamber is correct that h…
I found out a few years ago that my sleep cycle is actually 45 minutes, and not 90 as sleepyti.me suggests. Is there a way to make it work in 45-minute steps?
I assume you need more cycles than people who have 90 minute cycles?