Scientists at University of Washington is investigating the root cause of us sleeping less than our ancestors. They came to conclusion and published in the Journal of Biological Rhythms on 18 June that artificial light and electricity shorten the amount of or sleep.
Does our society’s sleep deprivation has negative impact to our civilization? Human achieved more when sleeping less. JP Morgan is the first financial institute that adopted electricity light at 23 Wall Street, New York. Their productivity increased (ability to work long hours even after sunset) and later became one of the most powerful financial institution in America or maybe globally. Other than the bank, other industries also benefits from the invention of electricity light. People are able to read. Cases of candles burning down the houses are dramatically reduced.