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But I take issue with the measurement itself. Yeah, how reliable/accurate it is, is one question. In other words, do we have a reliable polysomnogram every night?ĪFAIK It doesn't claim to cure us of sleep problems, it just claims to quantify parameters in such a way that we can identify our problems and take action. So, the question we should pose is perhaps: Does the dreem2 device provide a reasonably accurate measurement of our sleep phases or not? The pink noise gadget is just a potential additional benefit.

If it turned out that deep sleep is little, then I should do my utmost to improve it changing other habits, such as not eating at night, not watching screens and so on. But I don't know how much of it is actually deep, slow waves, stage IV sleep. I seem to have similar problems to yours, very fragmented sleep. Providing, of course, the measurements are reasonably accurate. Tomb, but, putting aside the pink noise deep sleep enhancer, just the fact that we have at disposal an accurate nighttime EEG which provides us with a polysomnography every night is, in a sense worth a lot. But the caveat is, it has to work - I'm not ineterested in empty hype. And the cost is the least of it, if I could improve my sleep, $500 is nothing, I'd gladly spend multiples of that. In other words, I'm what's called a "motivated mark" - I should be a pushover for these peddlers, yet here I am not buying into it at all. And I'm particularly susceptible to hype from these kinds of devices, because I suspect that my sleep is suboptimal or even poor and I have seemingly so little control over it despite following all the usual recommendations. Perhaps one day this will fulfill its potential, but until then, it falls into the category I'll never tire of denouncing: "Hype, hype and more hype, Amen". And if the argument is that the FDA is all wet and the benefits of deep brain stimulation as done by Dreem are real, then the fact that it's not available in Dreem 2.0 seems like a fail. The fact that the FDA didn't think deep brain stimulation was up to par puts a serious kink in the hype around this - studies or not. The difference for me, is that I actually take regulatory clearances from the FDA seriously.

Slow-wave sleeep appears to be particularly important for clearing out beta-amyloid at night, although the route and mechanism continues to be debated. (Some of the above links and PMIDs are probably redundant to eahc other my apologies). (This also on the Dreem, with additional unpublished data from their studies of users in the field). The Dreem headband is an amazing device, both for the quality of its sleep tracking and for its function of enhancing slow-wave sleep there's a ton of science on this kind of closed-loop auditory entrainment tech using systems built for experimental use by scientists that are not available as consumer devices, and some reports on the Dreem specifically: I keep meaning to a proper post on this, but have finally been stimulated to do something rather than continue to postpone a really thorough one.