Gone are the days when you have to slap your mechanical alarm clocks to stop them from making noise after you are awake. It can help you in several situations, whether you want to wake up early in the morning or take a nap in the middle of the day, but wary that you might not wake up in time.
Alarm clocks are an important piece of technology used by humans for hundreds of years to get on with various day-to-day activities.
