Give the short session a clear finish
You already have a schedule full of places to be. Mental practice should have a clear reason for taking some of that time. A useful first rep can end when you can say, “In this drill, I will use this cue for this action.” That gives the session a finish you can recognize.
As a starting example, spend about a minute choosing the situation, another rehearsing the action and a final moment deciding where it belongs. A familiar plan may take less time. Learning a new exercise or talking it through with your coach may take longer. Let the job shape the length.
Include the part that happens in your sport
The minutes before practice are only the beginning. A swimmer may rehearse a cue before the session and meet the real opportunity at the start of a particular repeat. A soccer player may choose a communication action that comes into play in the next possession drill. This is where the plan leaves the notebook.
Afterward, take a minute to record whether you used the plan and what happened. This makes the full routine preparation, an attempt in sport and a brief review. It does not require a long separate appointment every day.
Adjust the schedule to the job
For a busy school week, attach the rep to two or three practices you already attend. That schedule is an example to test, not a minimum you must reach. For a competition routine, rehearse it during appropriate practice sessions before expecting to use it at an event.
Younger athletes can use one spoken sentence or a simple drawing with help from a trusted adult. An older athlete developing a more detailed imagery script might use a longer planning session and a shorter rehearsal later. Keep the language and attention demands appropriate to the athlete.
Review usefulness before adding minutes
After a few attempts, ask: Can I explain the exercise? Did I remember its trigger? Did it give me a clear action? If one answer is no, simplify the plan or get help choosing a better task. Adding time is only one possible adjustment.
A completion count can tell you that you made time. A real example tells you what happened next. Keep both if they are helpful, but let the example guide the adjustment: a clearer cue, a better reminder or a question for your coach. You do not need a longer session simply to make the number larger.