Table 1 Sample characteristics by sleep duration and sleep disturbance in the U.S. adult population, NHANES 2007–2018

Unweighted (n)

23,749

7483

13,341

2925

5956

17,793

Total weighted %

100

31.5

56.1

12.3

25.1

74.9

Age, years %

< 0.001

< 0.001

20–29

17.8

15.8

17.1

26.3

10.7

20.4

30–39

18.7

21.1

17.9

17.0

16.4

19.6

40–49

20.3

23.1

20.5

12.3

20.9

20.0

≥50

43.3

40.1

44.5

44.5

52.1

40.0

Sex %

< 0.001

< 0.001

Male

47.3

51.0

46.9

40.4

39.7

50.1

Female

52.7

49.2

53.1

59.6

60.3

49.9

Race/Ethnicity %

< 0.001

< 0.001

Hispanic

14.3

15.2

13.6

16.1

9.4

16.2

Non-Hispanic White

66.5

59.1

70.3

63.7

74.2

63.6

Non-Hispanic Black

11.0

17.1

8.2

11.1

9.8

11.4

Other race

8.2

8.6

7.8

9.1

6.5

8.8

Educational Level %

< 0.001

< 0.001

Less than 12th grade

14.2

16.6

12.4

17.8

12.2

14.9

High school diploma

21.6

24.5

19.2

27.8

22.7

21.2

Some college

31.3

33.4

30.2

32.3

35.1

29.9

College graduate or above

32.9

25.6

38.2

22.0

30.0

34.0

Marital Status %

< 0.001

< 0.001

Never married

18.0

18.4

16.8

23.7

16.4

18.7

Married

56.8

53.7

60.5

44.7

52.9

58.3

Divorced/widowed/separated

17.0

19.3

15.4

19.7

23.4

14.5

Living with a partner

8.2

8.7

7.3

12.0

7.3

8.5

BMI, kg/m²%

< 0.001

< 0.001

Underweight (< 18.5)

1.5

10.9

2.7

4.1

2.2

3.1

Normal (18.5–24.9)

28.3

40.0

36.1

38.0

27.7

36.6

Overweight (25.0-29.9

32.7

23.7

31.9

27.6

26.4

32.5

Obese (≥ 30)

37.5

25.4

29.3

30.3

43.6

27.7

Physical Activity³%

< 0.001

< 0.001

Active

65.9

66.8

66.8

58.8

62.3

67.3

Not active

34.1

33.2

33.2

41.2

37.7

32.7