Gifts, Christmas carols, seasonal decorations, and mulled wine are all great, but is there really anything better about the holidays than the abundant freedom to nap? Picture this: you have the day ...

If eating makes you tired, you’ve got something in common with most people—and, for that matter, with most living things. Researchers have turned up evidence of “postprandial sleepiness,” also known ...

Turkey is well-known for its food coma-inducing effects. That’s because it’s rich in an amino acid called tryptophan — a precursor to serotonin — which makes us sleepy. As the centerpiece of ...

Add Yahoo as a preferred source to see more of our stories on Google. Paul Grossmann / Getty Images Gifts, Christmas carols, seasonal decorations, and mulled wine are all great, but is there really ...