Many of us eat at least one meal a day with a screen in front of us, and the food disappears somewhere behind the scrolling. This letter is about a small experiment: eating one meal without a screen, not as a discipline, but as a way of paying attention. The phrase digestion cue just means a signal that helps you notice you are eating.
When attention is elsewhere, it is easy to eat quickly and to miss the quiet signals of being comfortably full. A screen is very good at holding attention. Setting it aside for the length of a meal tends to slow things down a little, almost by accident, simply because there is less competing for your focus.
The experiment is modest. Choose the meal that is easiest — often dinner, sometimes lunch — and leave the phone in another room or face down and out of reach. Notice the taste, the texture, the moment you stop feeling hungry. You are not grading yourself. You are just present for the meal you were going to eat anyway.
Do not try to do this for every meal at once. One meal is plenty, and it is far more likely to become a real habit than an all-or-nothing screen ban that collapses by the weekend. If a screenless dinner becomes easy and pleasant, another meal may follow on its own. If it does not, one meal is still a real thing.
If this feels strange at first, that is normal, and it usually softens after a few days. The goal is not a rule about screens. It is a gentle cue that brings you back to the simple fact of eating, which is surprisingly easy to lose track of and surprisingly nice to find again.