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The study was a small
. Researchers looked at the eating
of 16 people between the ages of 25 and 59. They all had a high body mass
(BMI). They were all overweight or obese. However, they were in good
. They ate breakfast
and exercised a little. Before each
, they did not drink coffee or alcohol, and they did not smoke or take
or drugs. They kept a sleep diary so
knew their sleeping times. A researcher said: "I think what the study is telling us is that it
really is
to stop eating late into the night."