The best — and worst — iPhone alarm sounds to wake up to

Fuente: New York Post

Turns out your relationship to your morning alarm doesn’t have to be so fraught — certain tunes and frequencies can even help start the day on an easier note. A new analysis from audio-visual agency Startle reveals the best and worst options for a smooth transition into waking. After sampling 140 smartphone alarms, the researchers found that over half of the iPhone’s default options could be wreaking havoc on your nervous system, making it harder to get out of bed in the morning.