Most areas in the United States "fall back" to standard time on Oct. 30, but a sleep researcher says it may not mean an extra hour of sleep for everyone.
Dr. Joanne Getsy, a physician and professor and director of the Drexel Sleep Center at Drexel University College of Medicine in Philadelphia, said many people have trouble adjusting to both time changes, not just to the spring change when most Americans "lose" an hour for daylight saving time.
"Anytime you have a disruption in regular sleep patterns," she said, "it will affect how you feel."
A recent study by the National Sleep Foundation found that more than one-third of Americans are so sleepy during the day it interferes with their activities at least a few days a month. Sixteen percent reported these symptoms a few days a week or more.
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