A study from NYU Rory Meyers College of Nursing found that adults with prediabetes who went to bed earlier lost more weight over eight weeks. Each hour of earlier sleep was linked to about 1.3 pounds of weight loss. However, the study did not prove that earlier bedtimes directly cause weight loss, as both groups in the trial lost weight without significant differences in blood sugar levels. The research suggests that sleep timing may be an important factor in metabolic health.
Key facts
- Study involved 196 adults with prediabetes sleeping less than 6.5 hours nightly.
- Participants lost about 1.3 pounds for each hour they fell asleep earlier.
- Both groups lost weight, but no significant difference in blood sugar levels was observed.
- The trial lasted eight weeks and was funded by the National Institute of Nursing Research.
- Participants receiving sleep coaching reported improved sleep quality.
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