When this alarm clock wakes you from your slumber, you will hopefully never have cause to glare angrily at it while hitting the snooze button.
Thatâ??s because the Proactive Sleep tool, invented by two University of Wisconsin-Madison students, is smarter than the average alarm clock. It is calibrated to wake people during a light phase in sleep. Thus, the sleepy-head in question feels less groggy, ready to get up and at â??em.