
It is late, the room is quiet and your mind is replaying a conversation. Or you are running through tomorrow's possibilities faster than you can finish any one thought. The instruction to relax offers little help when you cannot find the part of the process that will let you stop.
Begin by describing what the thoughts are doing. Repeated worry, rapid shifts between ideas and a familiar memory loop can feel similarly exhausting while pointing toward different questions. Timing, sleep and the impact on daily life belong in that description.
Follow one loop closely
Consider an illustrative task-related loop. You remember tomorrow’s unfinished report while getting ready for bed. One question leads to another: what is missing, what will the meeting require, what if you forget? You keep returning to the same unresolved job. Describing that sequence gives you something more specific to work with than “my brain is too busy.”
A lifeguard scanning the water can be a useful optional metaphor for the repeated checking. In this example, ask what the lookout is still searching for. Is there missing information you can name, a decision you need to make or a task you need to put somewhere reliable? The metaphor helps organize a question; any claim about a particular brain region would need separate evidence.
For this familiar planning problem, you might write down the missing part of the report and the next action: “Check the figures in the morning, then draft the summary.” Put a time beside it. You now have a specific plan to review. Notice whether writing it down changes the loop; the value of this small experiment is what you observe, and it may leave other kinds of racing thoughts untouched.
The important distinction is between a question with an available next action and a pattern that keeps disrupting sleep or daily life despite your attempts to handle it. Bring the latter pattern to an assessment with concrete examples.
Give the pattern a context
Record when the racing thoughts occur, what was happening beforehand and whether they interfere with sleep or functioning. Include recent changes in medication, substances or health when discussing the pattern with a professional. Bring examples of the thoughts, rather than only the label “overthinking.”
Persistent worry can be part of an anxiety disorder, for which established assessment and treatment options are available. The NIMH guide to generalized anxiety disorder describes that context. An assessment can also consider alternative explanations instead of assuming all mental activity has the same source.
New racing thoughts accompanied by markedly reduced need for sleep and a major change in mood, energy or behavior call for prompt professional assessment. The NIMH bipolar-disorder overview describes that combination among possible episode symptoms. The combination needs evaluation; it is not enough to diagnose yourself.
Keep brain measurements tied to their question
An EEG-based explanation should add useful information to this history. The American Academy of Neurology’s advisory, for example, cautions against using a theta/beta ratio to confirm ADHD outside research or replace clinical evaluation. Recognizing a metaphor or a description attached to a map leaves the cause of your own experience open. The QEEG guide explains how to examine that measurement-to-meaning step.
Keep the goal in ordinary life
If you consider training, agree on what you want to change outside the session. That could be sleep interruption, time lost to worry or completing a task. Ask how progress and adverse effects will be reviewed, and how the plan changes when the target outcome stays the same.
The anxiety guide and sleep article develop those two common areas of concern. A helpful model should make your experience easier to describe and your choices easier to evaluate. It earns trust by remaining open to correction.
References
- National Institute of Mental Health (2025). Generalized Anxiety Disorder: What You Need to Know. source
- National Institute of Mental Health (NIMH) (2025). Bipolar Disorder. source
- American Academy of Neurology (2016). Practice Advisory: The Utility of EEG Theta/Beta Power Ratio in ADHD Diagnosis. source
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About Dr. Andrew Hill
Dr. Andrew Hill is a neuroscientist, founder of Peak Brain Institute and host of the Head First podcast. He writes about neurofeedback, attention, learning and brain health.
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