As most Americans prepare to "spring forward" one hour as daylight saving time begins this Sunday, calls continue among scientists and state legislators to abolish the practice.

Time will slip into the future a bit faster this weekend, as millions of Americans exchange an hour of sleep for 60 minutes of groggy confusion.

Research has repeatedly shown that country's twice-annual clock adjustment, shunned by Hawaii and most of Arizona, costs us health, productivity and road safety.

Some scientists, such as the Society for Research on Biological Rhythms, have called for abolishing the practice, saying the benefits of more daylight are outweighed by increased chances of heart attack, reduced life expectancy and mental and cognitive problems.

Perhaps that's why 38 states have at least one bill before their legislatures dealing with daylight saving time.