Sleep, Lose Weight
Health Scout News Reporter
Determined to lose weight this New Year?
Try sleeping those pounds off.
That advice may sound like it comes from a bad infomercial, but
research suggests chronic sleep deprivation can affect the body's
metabolism, which, in turn, directly affects your ability to shed
Sleep deprivation is becoming an American phenomenon. The National
Foundation's 2002 "Sleep in America" poll found that Americans are
chronically behind in their slumber hours, with only 30 percent of
getting eight or more hours of sleep on weeknights and only 52
getting their eight hours on weekends.
Many Americans may also suffer from one or more sleep disorders.
poll found that 74 percent of respondents experienced at least one
symptom of a sleep disorder a few nights per week or more.
percent reported experiencing at least one sign of insomnia a few
Could this be why one source says 90 percent of Americans fail to
their New Year's resolutions?
Increasingly, science is suggesting the answer is "yes."
"The studies that have been done show that if people get less
they should, that this would affect various components of
number of different hormones affect metabolism and can affect
and therefore weight," says Dr. Michael Thorpy, director of the
Sleep-Wake Disorders Center at Montefiore Medical Center in New
City. "Blood glucose tends to be higher, insulin levels lower and
cortisol levels higher after sleep deprivation. There's additional
evidence that the hormone leptin [secreted by fat cells] is
sleep loss, and there are some studies that are . . . just coming
showing that people after sleep loss have an increase in appetite,
they eat more."
An article in the Oct. 23, 1999, issue of The Lancet found that
sleep had a harmful effect on carbohydrate metabolism and
function. Specifically, glucose tolerance appeared to be lower in
deprived of shut-eye.
"The effect on impairing glucose tolerance is not too dissimilar
patients who have diabetes," Thorpy says.
Another study, this one appearing in the Aug. 16, 2000, issue of
Journal of the American Medical Association, found that lower
REM (deep or slow-wave) sleep seemed to be associated with higher
cortisol levels. The hormone cortisol plays a role in regulating
"When people are making resolutions to lose weight in the New
ought to structure in trying to maintain sleep patterns," Thorpy
"Improved sleep quality goes together with weight management."
Here are some tips from the National Sleep Foundation that could
your New Year's resolution an achievable one:
If you have difficulty sleeping at night, don't nap during the
Maintain a regular exercise schedule, but don't work out within
hours of going to bed.
Avoid caffeine, nicotine and alcohol in the late afternoon and
because they can either delay or interrupt your sleep.
Drink fewer fluids before bedtime.
Avoid heavy meals before going to sleep.
Unwind in a warm bath or find some other ritual to relax you
Go to bed and wake up at regular times every day.
If you find yourself tossing and turning, get up and read or
relaxing music before trying again.