Turkey itself does not uniquely make you sleepy; the drowsy “turkey coma” feeling is mostly from overeating rich, carb-heavy meals (plus sometimes alcohol), not from the turkey’s tryptophan alone.

Quick Scoop

  • Turkey does contain tryptophan , an amino acid your body can use to make serotonin and then melatonin, which are linked to sleep.
  • But turkey has no more tryptophan than many other meats like chicken or beef, so it is not a special sleep-inducing food on its own.
  • The real “sleepy” triggers are:
    • Big portions that divert blood flow toward your gut for digestion.
* Lots of carbs and sugar (stuffing, potatoes, rolls, desserts) that spike and then crash your blood sugar, making you feel sluggish.

* Fatty foods and sometimes alcohol, which slow digestion and act as a depressant on the nervous system.

So that post-meal nap after a turkey feast is more about a huge, carb-heavy, sometimes boozy meal than the turkey itself.