National Data Source

National Health Interview Survey (NHIS); Centers for Disease Control and Prevention, National Center for Health Statistics (CDC/NCHS)

Changed Since the Healthy People 2020 Launch

Yes

Measure

percent

Baseline (Year)

69.6 (2008)

Target

70.8

Target-Setting Method

Minimal statistical significance

Numerator

Number of persons who get an average of at least the following number of hours of sleep per day for their age group: 8 or more hours for those aged 18-21 years and 7 or more hours for those aged 22 years and over

Denominator

Number of persons ages 18 and over

Questions Used to Obtain the National Baseline Data

From the 2008 National Health Interview Survey:

[NUMERATOR:]

*On average, how many hours of sleep do you get in a 24-hour period?*

______ Hours

Data Collection Frequency

Annual

Comparable Healthy People 2010 Objective

Not applicable

Methodology Notes

Participants were asked how many hours they sleep during a 24-hour period. The numerator data includes those participants reporting the following number of hours of sleep per day for their age group: 8+ hours for those aged 18-21 years and 7+ hours for those aged 22 years and over.

Description of Changes Since the Healthy People 2020 Launch

The target was revised from 70.9 to 70.8 due to a change in the rounding rules for target calculations of Minimal Statistical Significance.