I built a free sleep calculator site that now gets [— here's exactly how I did it

A few months ago I was frustrated.

I kept waking up exhausted — even after sleeping 8 hours. I'd set

my alarm, do everything "right", and still feel like I'd been hit

by a bus.

Then I learned about sleep cycles. Turns out it's not how long you

sleep — it's WHEN you wake up within your cycle. Wake mid-cycle =

groggy. Wake at the end = refreshed.

So I built a calculator to solve this for myself.

Then I put it online. Then people started using it.

SmartSleepCalc.com now has tools for:

→ Bedtime calculator

→ Wake-up time calculator

→ Nap calculator

→ Shift work sleep optimizer

→ Epworth Sleepiness Scale test

All free. No login. No fluff.

The SEO strategy that worked:

- Target long-tail "calculator" keywords with zero paid competition

- Each tool = its own dedicated page

- Simple, fast, mobile-first design

- Structured data (schema markup) on every page

Traffic is growing month over month purely from organic search.

Here's what I'm still figuring out:

- Best monetization mix (AdSense vs affiliate vs SaaS)

- Building an email list from tool users

- Expanding to multilingual pages

Happy to answer questions about the build, the SEO approach,

or anything else. What would you do differently?

🔗 smartsleepcalc.com