the benefits of turning off the lights while sleeping

anyone know the relationship the same immunity lights?

many who have a habit of sleeping, lighting a lamp
(scared of the dark possible .. haha) it turned out after a study conducted by researchers from the renowned British unive
sleep with the light illuminated by the lamp will hinder the recovery of the immune system (immune system) so most people who have a habit of sleeping with the lights on will be more easily hurt
than people who sleep without lights illuminated.

so from now on let's get used to sleeping with the lights off
could be healthier than we are also saving energy