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Reduced Sleep Linked to Weight Gain in At‑Risk Adults
Scientists at Columbia University Irving Medical Center studied 95 adults who were already at risk for cardiovascular and metabolic diseases. Participants maintained a regular sleep schedule for six weeks, then reduced their nightly sleep by 90 minutes for another six weeks. During the shortened‑sleep period the volunteers gained an average of about 0.5 kg and showed a modest increase in waist circumference. They also spent more time in sedentary activities, while moderate and vigorous exercise levels remained essentially unchanged. Body‑fat and muscle‑mass proportions did not shift significantly, and the researchers did not track participants’ food intake, leaving the exact cause of the weight gain unclear. The findings were published in the Annals of Internal Medicine and reported by several news outlets.
These results add to evidence that insufficient sleep can contribute to weight gain and increased central adiposity, especially among individuals already vulnerable to cardiometabolic conditions.
Entities
Annals of Internal Medicine · Columbia University Irving Medical Center
Claims
What the coverage asserts, and how many sources carry each claim.
- [● 2 SOURCES] Reducing nightly sleep by 90 minutes for six weeks caused an average weight gain of about 0.5 kg among 95 participants at risk for cardiovascular and metabolic disease. elheraldodesaltillo.mx · reddenoticias.online
- [● 2 SOURCES] The reduced‑sleep period led to a modest increase in waist circumference among the participants. elheraldodesaltillo.mx · reddenoticias.online
- [● 2 SOURCES] Participants spent more time in sedentary activities during the shortened‑sleep period. elheraldodesaltillo.mx · reddenoticias.online
- [○ 1 SOURCE] The study was published in the Annals of Internal Medicine. elheraldodesaltillo.mx
- [● 2 SOURCES] The research was conducted by scientists at Columbia University Irving Medical Center. elheraldodesaltillo.mx · reddenoticias.online
- [● 2 SOURCES] Body‑fat and muscle‑mass proportions did not change significantly during the reduced‑sleep period. elheraldodesaltillo.mx · reddenoticias.online
- [● 2 SOURCES] No significant change in moderate or vigorous exercise levels was observed during the reduced‑sleep period. elheraldodesaltillo.mx · reddenoticias.online