New research from Columbia University found that adults who cut their sleep by about 80 minutes for six weeks packed on a pound (0.45 kg) and moved less during the day. The mild sleep deprivation common to nearly a third of American adults may be quietly driving long-term weight gain, not through overeating, but inactivity. Image credit: Sweet Briar College. Much of what’s known about the link between insufficient sleep and obesity is based on small,...
