Avoiding light at night and seeking light during the day are effective non-pharmacological methods for improving mental health.

“Avoiding light at night and seeking light during the day may be a simple and effective, non-pharmacological means of broadly improving mental health.”

“making sure that you are in very dim to completely dark environments for a continuous 6 to8 hours within every 24-hour circadian cycle is correlated with much better mental health outcomes”

“Darkness during a particular stage of your 24-hour cycle your so-called circadian rhythm is also very beneficial for mood and mental health and it's beneficial for mood and mental health in a way that is independent from light and from sleep”

“people who stay in very dim to dark environments for eight hours every 24 hours or I should say approximately eight hours in every 24-hour cycle they benefit from improved mood and mental health outcomes in a way that's independent of how much light they're getting and independent of how much sleep they are getting”

“there seems to be based on the conclusions of this new study a powerful and independent role of both daytime light exposure and nighttime dark exposure for mental health”

“there seems to be based on the conclusions of this new study a powerful and independent role of both daytime light exposure and nighttime dark exposure for mental health”

“turns out that dark exposure at night independent of light exposure during the day is important for mental health outcomes”

“there seems to be based on the conclusions of this new study a powerful and independent role of both daytime light exposure and nighttime dark exposure for mental health”