Average hours of sleep adults aged

18 to 29 get per night in 2005: 6.6

Average hours of sleep people got before

Thomas Edison invented the light bulb: 10

Percentage of adults aged 18 to

29 who say they need more sleep: 57

Percentage of men aged 18 to

24 who want to gain weight in 2002: 40

Percentage of women aged 18 to

24 who want to gain weight in 2002: 5

Percentage of adults aged 18 to 29 who

report having an “excellent” self-image: 49

Percentage of adults aged 30 to 49

who report having an “excellent” self-image: 35

Fraction of Americans who say

they are dissatisfied with the

availability of affordable health care: 3/4

Ranking of health care among national

issues with which Americans are dissatisfied: 1

Number of lives that would be saved annually

if states with secondary seat-belt laws

(which allow authorities to ticket drivers only

if pulled over for another reason)

changed to primary seat-belt laws: 700

Number of states without any belt laws: 1*

*New Hampshire

Sources: The Gallup Organization, The National Sleep Foundation, Medline Plus

— Compiled by Eugenie Kim