Indianapolis Edition

Pink Noise While Asleep Helps Memory

Random Sound While Sleeping Increases Brain Activity

Africa Studio/Shutterstock.com

Researchers from Northwestern University have found that acoustic stimulation using pink noise (random sound with more low frequencies than white noise) increases slow-wave brain activity, thus improving sleep-dependent memory retention. Thirteen mature adults completed two nights of sleep; one with the pink noise and one without, in random order. Specific brainwave activity increased during the periods when the pink noise was being delivered, suggesting that it could help older adults preserve some memory functions.


This article appears in the December 2017 issue of Natural Awakenings.

Edit ModuleShow Tags

More from Natural Awakenings

City Homesteading

Across the country, people in communities of all sizes are crafting ways to grow food, build eco-homes and live in harmony with the environment and each other.

Experiencing Healthful Services at Greenwood Spa

The Art of Healing has many different techniques to melt your tensions and woes, including a float tank, infrared sauna and much more.

Keep America Beautiful Recognizes Local Affiliate with National Award

Keep Indianapolis Beautiful was recognized for a commitment to encourage local government, business and private citizens to work together to make Indianapolis a cleaner, greener, more beautiful place to live.

14th Annual Pink Pajama Party

Women from throughout Indiana will embrace their inner superhero and gather on February 23 and 24 at the Indianapolis Marriott North Keystone at the Crossing, in Indianapolis, for the Pink Pajama Party: Heroes Unite to benefit the Indiana Women In Need Foundation.

Popular Walk the Talk Series Expands

Walk the Talk, a motivational speaking engagement series, is offering two upcoming events.

Add your comment: