Based on research and surveys conducted by the National Sleep Foundation, National Commission on Sleep Disorders Research, National Institutes of Health, National Highway Traffic Safety Administration

• Average amount that Americans sleep per night on weekdays: 6.9 hours
• Average amount that Americans sleep per night on weekends: 7.5 hours

• Number of people in the United States affected by a sleep problem: 70 million
• Number for whom the problem is chronic and/or frequent: 40 million

• Financial losses in the US due to sleep deprivation/disorders: $100 billion per year
• Direct healthcare costs of insomnia, including treatment: $14 billion per year
• Indirect costs (missed work, property damage, etc.): $28 billion per year

• Proportion of Americans who report sleep problems: approximately 70%
• Proportion of children who report frequent sleep problems: 69%
• Proportion of older adults who report frequent sleep problems: 67%

• Number of automobile accidents caused by drowsy drivers: 100,000 per year
• Number of fatalities and injuries in these accidents: 72,500 per year
• Proportion of Americans who admit to have driven while drowsy: 51%
• Proportion who admit to have dozed off while driving: 17%

Source: National Sleep Foundation