Https://iristech.co/ - Iris is software which makes Monitors healthy for the eyes. Blue Light Filter and Screen Dimmer for Eye Protection, you can reduce the Blue Light emitted from your screen for better sleep, reduce the Brightness of your screen without PWM and avoid eye pain. Source: almost 2 years ago

There are ways to do this with an iPhone and/or Apple Watch. Near Lock is one option. Source: over 1 year ago

I don't think such an app exists, but maybe Near Lock comes in handy: https://nearlock.me/. Source: almost 2 years ago

I've been trying for over a year to find an app that unlock my Hackintosh (and MBP) with my phone or other blueprint when I get near it (and lock it when I walk away). I have a Whoop band so an Apple Watch isn't an option right now (until they add BP monitoring and my Whoop sub runs out at least). I found Near Lock and nearly cried with joy. Not only was it exactly what I wanted, it looked slick‏‏‎‏‏‎‏‏‎‏‏‎­too.... Source: over 2 years ago