Has anyone had experience or know about biofeedback headbands that monitor sleep cycles and provide binaural beats that can help regulate sleep cycles? I came across an article about a Colorado engineer that developed a device foe his teenage daughter that was diagnosed with narcolepsy. He marketed the device under the name Sleep Shepherd Blue. I started trying to find the device and came across another called Dreem. Seems that both devices were purchased and removed from the market by someone… read more