No, this isn't some target practice simulator. See how healthy your eyes are with RightEye. It tests your functional vision, reaction time and how you handle moving objects and suggests exercises to train your eyes. It's not for sale to consumers, though, so look for it at your doctor's office.
CNET's Megan Wollerton explored a section of CES where sports simulators teach you to play better golf, baseball and tennis.
In the the department of "things we hope don't become self-aware," the BotBoxer is a boxing robot with sensors that adapt to your stance and coach you through your workout.
The Verde treadmill doesn't just give you a workout, it generates power while you sweat.
Don't look for style in this vest made by a French company. Instead, it claims to measure six key physiological stats in real time and use machine learning to predict the likelihood of an oncoming heart attack.
Matrix's PowerWatch 2 has all the features you'd expect from a smartwatch, including heart rate, step counting, 200-meter water resistance and notifications, but it runs completely on solar power and body-generated heat.
The Philips sleep sensor is another gadget for someone who's sawing Z's just a little too loudly. It's a band that consists of a "discreet sensor" that goes around your chest. It's supposed to track your sleep, including when you change positions.
The Helite B'Safe is a bike vest with airbags. It uses two sensors that can detect when you're falling before inflating the airbags in 80 milliseconds. Pair it with the Hip'Air (now the Hip'Safe), which Helite showed at CES 2018.