A new light source (Valkee©) does not alter sleep–wake parameters and does not improve mood in phase delayed subjects – Springer

http://link.springer.com/article/10.1007/s41105-015-0027-5

I have critically mentioned this Finnish invention earlier on blog. New research shows that it does not work.

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4 Comments

  1. Tomi Engdahl says:

    My older posting on Valkee ear lights can be found here:

    Lights and brain cells
    http://www.epanorama.net/newepa/2013/05/30/lights-and-brain-cells/

    Reply
  2. Tomi Engdahl says:

    Valkee Ltd collapses as predicted: All share capital lost
    http://earlightswindle.com/gloom/2017/04/valkee-ltd-collapses-as-predicted-all-share-capital-lost/

    The finnish trade register has just announced, that the HumanCharger manufacturer Valkee Ltd has lost all of its share capital. That means, that all of the company’s ressources are depleted, and new capital is not in sight – not even theoretically.

    Reply
  3. Tomi Engdahl says:

    Despite negative publicity Valkee business seems to be growing according to this article:
    https://www.yrittajat.fi/uutiset/557847-korvavalosta-tunnettu-valkee-porskuttaa-kasvua-tana-vuonna-40-prosenttia

    Reply

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