By David Madden
PHILADELPHIA (CBS) – For most of us, Thanksgiving without turkey is like trying to get a Philly Cheese Steak in California. It’s just not right.
One reason why, perhaps, is that soft, warm feeling you get after dinner, but one local expert suggests it’s not just the turkey that produces that feeling.
Dr. Sigrid Veasey is a sleep expert at Penn who cites several studies suggesting the amount of tryptophan — a sleep inducing amino acid in the average bird — isn’t much:
“You would have to eat about six large turkeys to have enough tryptophan, and maybe even more to have a pronounced sleep effect on you.”
So what causes that need to nap?
“We pile on the high carbs with sweet potatoes, mashed potatoes, stuffing, other dishes — applesauce — all the other things that have some sugar in…
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