When youre sound asleep, are you asleep to all sounds? Research suggests that were still listening when our bodies are in snooze mode. Ours brain are still awake and processing expected sounds, like the hum of noise machines. But a sudden sound that goes bump in the night? Thats another story.

We partnered with Sleep Number to better understand what our ears are up to when the rest of us is catching Zs. For one thing, we learned that if youre looking for a sleep aid thats easy on the ears, white noise may have some new competition. Check out the video above to learn more about the #PowerOfSleep.

Just like diet and exercise, sleep is unique to each person and important for optimal health. Sleep Number beds adjust on each side to your ideal level of firmness, comfort and support your Sleep Number setting. And when you add SleepIQ technology youll know what to adjust for your best possible sleep.