Tryptophan in turkey has become almost as famous as the bird's white and dark meat. So has the legend of its power to make people sleepy. But does Thanksgiving turkey actually induce drowsiness? "No ...

Hint: It's probably more than the bird making you sleepy. Tryptophan is an essential amino acid that’s a vital building block for protein in the body. There are 20 known amino acids, nine of which ...

It turns out you can’t blame Thanksgiving turkey for your midday nap. Instead, food and sleep experts say holiday drowsiness likely comes from feasting and energy exertion. "Folklore has it that the ...

At many Thanksgiving tables, eager feasters may offer the popular fact that we get sleepy after the holiday meal because of a molecule in turkey called tryptophan. In fact, tryptophan has gotten as ...

"No more so than tuna fish. It's a myth," Dr. Marc Eisenberg, a clinical cardiologist and associate professor of medicine at the Columbia University Medical Center in New York, tells TODAY.com.

The legend of tryptophan in turkey having the power to make people sleepy has become almost as famous as the bird's white and dark meat. But does Thanksgiving turkey actually induce drowsiness? "No ...