During tough economic times , people might work longer hours to avoid the risk of running behind on their workload and the possibility of a layoff . Annual sleep index estimates Americans get less sleep , averaging 12 hours a day . Research : Research has become 24 - 7 , more complex . Government research , private polling differ on their findings .
Annual sleep index estimates Americans get less sleep , averaging 12 hours a day . Research : Research has become 24 - 7 , more complex . Government research , private polling differ on their findings .