Everything has already been said by various commentators: in short, everyone is okay to say that this is an aesthetic success, mobile, comfortable etc. Yes, I confirm, this is obviously a very good product. There is still a serious problem: on the one hand, but perhaps this is my problem, I can not say that the result be convincing if nest queffectivement this is pretty nice to see life in blue when the sky is gray or the night is dark. The result may be more convincing in the long run, but I nen obviously know when I write these lines. The fact that it there is a "placebo" effect in the use of this product does not bother me: I prefer to be happy even if it's only by virtue of a placebo effect. But quen there will be the long term? I doubt about myself, if this lamp provides real effects as Lassure us that it ny has not, in the long term, risks of "collateral damage": addiction or dependence disorders or decreased ability of certain functions etc. The problem in this situation is that we depend totally on this quon wants to tell us, and that he would, in an ideal world, this type of product is First of tested over several years and on a truly representative sample, before being marketed in all azimuths