In 2019, around 52 percent of those who felt sleepy 5 to 7 days per week often or sometimes experienced irritability when feeling sleepy. The statistic illustrates the health impacts experienced among U.S. adults who of felt sleepy for a select number of days per week.
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National Sleep Foundation. (March 7, 2020). Percentage of adults in the U.S. who felt sleepy for a select number of days per week and experienced select health problems in 2019 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1106275/health-impacts-of-feeling-sleepy-in-the-us-by-number-of-days/
National Sleep Foundation. "Percentage of adults in the U.S. who felt sleepy for a select number of days per week and experienced select health problems in 2019." Chart. March 7, 2020. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1106275/health-impacts-of-feeling-sleepy-in-the-us-by-number-of-days/
National Sleep Foundation. (2020). Percentage of adults in the U.S. who felt sleepy for a select number of days per week and experienced select health problems in 2019. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1106275/health-impacts-of-feeling-sleepy-in-the-us-by-number-of-days/
National Sleep Foundation. "Percentage of Adults in The U.S. Who Felt Sleepy for a Select Number of Days per Week and Experienced Select Health Problems in 2019." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 7 Mar 2020, /statistics/1106275/health-impacts-of-feeling-sleepy-in-the-us-by-number-of-days/
National Sleep Foundation, Percentage of adults in the U.S. who felt sleepy for a select number of days per week and experienced select health problems in 2019 ÌÇÐÄÆƽâ°æ, /statistics/1106275/health-impacts-of-feeling-sleepy-in-the-us-by-number-of-days/ (last visited August 05, 2026)
Percentage of adults in the U.S. who felt sleepy for a select number of days per week and experienced select health problems in 2019 [Graph], National Sleep Foundation, March 7, 2020. [Online]. Available: /statistics/1106275/health-impacts-of-feeling-sleepy-in-the-us-by-number-of-days/
