Artificial light at night can cause depression London: Sleeping
in a room with too much light can lead to depression,
psychologists claim. Leaving the television on while you sleep
can be enough to trigger the effect, say scientists. Lack of
darkness during sleeping hours can cause changes to the brain
and depressive symptoms, according to animal studies.
Researchers believe staying up late to watch TV or go online
might have the same impact. But, tests carried out on hamsters
have shown that the harmful effects could be reversed by
returning to natural light, the Daily star reported. “The good
news is that people who stay up late in front of the television
or computer may be able to undo some of the harmful effects just
by going back to a regular light-dark cycle and minimising their
exposure to artificial light at night,” Tracy Bedrosian, of Ohio
State University, said.