6 Matching Annotations
  1. Mar 2021
  2. Jun 2020
  3. May 2020
  4. Jan 2020
    1. In contrast, both blue and red lights affected cortisol levels

      No control group? Being awake for 27 hours will do that. They need to use either no light and/or sleeping subjects as controls..So far I've only read the abstract, so it's possible that they address this further down.

  5. Nov 2019