Getting out of bed in the morning is difficult, and alarm clocks are fairly easy to overrule. But do you know what isn't easy to overrule? Getting slapped repeatedly in the face. This was the thought process of one Simone Giertz, a Youtuber and robotics enthusiast, who endeavored to make an alarm clock that slaps you in the face. Pros: it really works. Cons: maybe a little too well.
· This Alarm Clock Slaps You Awake [Mental Floss]