I can't tell if the product helped my sleep or not. I'd need more than two weeks to know. But it didn't make it worst and didn't cause any harm or undesirable effects. I trust all Neurohacker products, and I expect this one to be a success too. That's why I am an investor.

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My first night using it, my deep sleep shot up to 30%. The first couple of days, however, I woke up feeling a bit groggy, even though my HRV was in the 90s (which is high for me) and my deep and full sleep numbers looked good. I suspect, as with my experience with Qualia, there might be a bit o...

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