In a study involving 403,981 respondents over the age of 18:
- 30.7% slept fine in the past 30 days.
- 41.3% had 1 to 13 days of insufficient sleep in the past 30 days.
- 16.6% had 14 to 29 days of insufficient sleep in the past 30 days.
- 11.1% said they suffered from insomnia every day.
Insomnia by Gender and Age
- Women are more susceptible to insomnia than men.
- Insomnia prevalence declines slightly with age.
Insomnia by Lifestyle
- The unemployed are more likely to suffer from insomnia than those who are fully employed.
- Retired individuals sleep the best.
- Those with the highest levels of advanced education get the worst sleep.
- No statistical variation in insomnia between those never married, married, divorced, widowed or separated.
Insomnia by Location (Related blog post: When it comes to insomnia the USA is not equal)
- Highest frequency of insomnia in the USA occurs in the South East - particularly in West Virginia, Tennessee and Kentucky.
- Lowest frequency of insomnia in the USA occurs found in North Dakota, California and Oregon.
We found it particularly shocking that more than a quarter of those surveyed suffer from insomnia at least every other day.
On a more positive note, perhaps you suffer from insomnia because you are super intelligent.
Last updated: April 30, 2010