Didn’t get enough sleep, but still feel fine? Z4ip will show you how well your brain is really functioning. Maybe it’s time for a quick power nap? Z4ip is designed to keep track of your cognitive performance as you go about your day, helping you identify when you are at your peak performance, and when you need that little extra boost. Through 5-minute game sessions spread across the day, Z4ip will assess your processing speed, spatial working memory, and reaction time. 🚀 Games 1. Symbol