I did the math. From 0% voting power (I've never seen anyone get there because the formula is a "limit" function meaning it can't technically reach 0) it takes 120 hours (5 days) to regenerate to 100% voting power if you do not vote at all.

Each vote costs energy to cast, and the consensus is that you can vote a golden 11 times a day at full power to still regenerate to 100% per day.

The practicality of it is this. At 120 hours from 0 -100, each hour without voting increases your power 10/12 or roughly .83 percent. This equates to 19.92% per day.

Given that math, and the recommended "golden" number, a vote "costs" 19.92/11 or 1.81 percent to cast.

If a vote costs 1.81% to cast and regenerates at .83% per hour it means you can vote .83/1.81 or roughly .45 times in one hour without losing energy (every hour you can vote at 45% if you have a slider).

If you don't have a slider, you can vote roughly once every 2 hours (10 - 12 times a day) without losing voting influence.

Hopefully I didn't over complicate that ...