Getting less sleep at night may be a normal part of
healthy aging and nothing to worry about for most healthy adults.
A new
study shows that during a standard night of eight hours in bed the amount of
time spent actually sleeping decreases progressively with age. Healthy older
adults sleep about 20 minutes less than middle-aged adults, who sleep 23 minutes
less than young adults.
Researchers say the results suggest that healthy
older adults without sleep disorders should expect to sleep a little less at
night without being sleepy during the day.
"Our findings reaffirm the
theory that it is not normal for older people to be sleepy during the daytime,"
researcher Derk-Jan Dijk, PhD, professor of sleep and physiology at the
University of Surrey in England, says in a news release. "Whether you are young
or old, if you are sleepy during the day you either don't get enough sleep or
you may suffer from a sleep disorder."
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