In the poll, some 1,000 U.S. adults were asked when they're at their best on a typical day. Their answers:
They were also asked what hour of the day was their personal best. Their top three hours were 10 a.m., 9 a.m., and 8 a.m.
Age may make the morning sweeter.
In the poll, 43 percent of adults aged 18-34 favored mornings, compared with 58 percent of those aged 35-54 and 59 percent of those aged 55 and older.
"Morning people" are particularly common among people with high salaries.
For instance, 70 percent of people in households earning at least $75,000 per year prefer mornings, compared with 40 percent of those in households earning less than $30,000 annually.
The poll, conducted by telephone in August, has a margin of error of +/- three percentage points.
(When do you function best? Morning, afternoon, evening? Tell us about it on WebMD's Health Café message board.)
By Miranda Hitti
Reviewed by Louise Chang
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