The 40hz frequency has been shown to improve focus by activating the brain's frontal lobe. The 40hz gamma binaural waves in this soothing ambient music has been blended with ocean waves for a calm, but supremely focused, flow state experience.Want access to an ad-free, 8-hour version of this episode? Try Deep Sleep Sounds Premium free for 7 days: https://sleepsounds.supercast.com/.Create a mix of your favorite sounds by downloading the Deep Sleep Sounds App at: https://deepsleepsounds.onelink.me/U0RY/app.Having an issue with Deep Sleep Sounds or want to ask us a question? Check out our Frequently Asked Questions.