Codes and Frequencies
For sample adults, SLEEPFALLFRQ reports how often they had trouble falling asleep in the past 30 days.
SLEEPFALLFRQ is part of the NHIS rotating core questions on sleep introduced in 2020 and collected every other year. For related variables and more information about NHIS variables on sleep, please see HRSLEEP.
- 2020: Sample adults age 18+.
- 2020 : SAMPWEIGHT