Achievement unlocked: Optimized sleeptime

Screenshot of website is a bedtime calculator that helps you figure out how long you can sleep for optimal rest, based on the number of REM cycles you are able to fit into your schedule. 

You can calculate either what time you need to go to sleep based on what time you have to awaken the next morning, or calculate when you need to wake up if you were to go to bed right now.

Calculate your ultimate sleeping experience

This article was originally published on happyleaks