A new study by Mornings.co.uk shows how well each city and state sleeps, as well as countries across the world. Researchers used Twitter, searching for tweets containing the hashtags #goodmorning and #goodnight, to determine the average wake-up times and bedtimes of people in over 130 countries, then calculating the average night’s sleep in each country. Within the United States, sleep duration appears to be heavily correlated with population density. In 7 of the 10 states with the most sleep, like top-ranked Minnesota, the population density is less than the national average. In case you’re wondering, they found that here in Charleston, our average bedtime is 11:06 PM. Our average wake time is 8:28 AM. Just under four percent of us are night owls, or people who go to bed after midnight. And our average sleep duration is 9 hours, 22 minutes. In fact, residents of South Carolina have an average sleep duration of 8 hours, 34 minutes. Only seven states average more sleep each night.
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