Research indicates that using electronic devices before bed may make it difficult for people to fall asleep. The light appears to interfere with
the body's ability to create this hormone, which is responsible for
sleep and wake cycles.

The hormone is called melatonin

Hope this helps.

"professions for women essay. woolf means that women still have to hide behind lies, like a fake name, to have a book published. she believes the surmounting this obstacle is more difficult because women were not seen as equals in the 1930’s they were more seen as property of the husband or father."

(i know this wasn't that much so my