How to Use Cognitive Shuffling to Stop Racing Thoughts and Fall Asleep Fast

Sarah Cosway | BABCP
Sep 20, 2024
6 min read

Updated: Apr 8

A watercolour sketch of cognitive shuffling showing a person sleeping peacefully while a cloud above their head displays a swirling "Mind-Scrambler" mix of random, neutral images like a banana, a guitar, and a polar bear against a starry night sky. — Cognitive Shuffling in action: By visualising a series of random, neutral images, you can bypass your brain's threat system and signal to your "Inner Meerkat" that it is safe to sleep.

Do you ever lie in bed, your mind racing, unable to drift off no matter how tired you feel?

If so, a science-backed strategy called Cognitive Shuffling might be the simple solution you’ve been looking for.

This mental technique is specifically designed to redirect intrusive and racing thoughts, scramble the brain's "threat system", and trigger the natural transition into sleep.

Periodically, I have spells of insomnia, and poor sleep is something that I know my clients also often experience, so I am always on the lookout for opportunities to expand my toolbox of sleep strategies.

Recently, I came across something talking about cognitive shuffling, and I hadn’t heard of it before, so my curiosity was piqued!

It was claimed that cognitive shuffling could be helpful for the times when you're struggling to fall asleep…perhaps due to a busy or racing mind.

Fortunately, or unfortunately, depending on the perspective (!) I had the opportunity to try it out shortly after hearing about it, and I did find it useful, so I thought I would share it here in case it’s a strategy that you haven’t heard of before.

The idea is that it can help you fall asleep faster because cognitive shuffling redirects your thoughts away from whatever it is that’s playing on your mind, and does it in a way that promotes relaxation and drowsiness.

The Science of Sleep: Why Racing Thoughts Keep You Awake

It’s always helpful to understand why we might want to try any new technique and how it might be helpful.

It’s not always easy to establish new habits, but if we have a good understanding of why it is that we’re trying something and what we’re trying to achieve, then that can help with our motivation to keep going with it.

Our ability to fall asleep is intricately linked to what our nervous system is doing and having a busy mind influences this.

How the 'Inner Meerkat' Triggers Your Threat System

Most of us can relate to times of trying to sleep and finding that thoughts come flooding into our heads - reviewing the day's events, planning for tomorrow, or worrying about various issues ‘of the moment’ that can seem to be all-consuming.

This tsunami of thoughts can create and maintain a cycle of mental activity that activates our ‘threat system’, which in turn keeps us alert and awake.

Make sense, doesn’t it…we’re at our most vulnerable while we’re asleep, so if our ‘inner meerkat’ thinks it needs to be on alert, then sleep is definitely not going to be on the agenda.

A conceptual illustration of nighttime insomnia where a stressed person lies awake in bed with a meerkat sitting on their head. The meerkat is actively scanning a swirl of thought-bubble icons representing worries: a clock, a calendar, a storm cloud, and emails. — Your 'Inner Meerkat' stands guard: This visual metaphor for the brain's threat system (the amygdala) scans for dangers—even internal ones like future-planning or worry—preventing you from drifting into a restful sleep state.

The trouble is that our ‘inner meerkat’ isn’t able to tell the difference between a real threat, i.e., something that is external to us, and an imagined threat, i.e., some thoughts or worries that have just popped into our head.

So intrusive thoughts, particularly anything relating to stressful events or things that we are anxious about, can activate and keep our threat response going - the opposite of what we need for sleep.

Sympathetic vs. Parasympathetic: The Neurobiology of Insomnia

Our nervous system has two main components relevant to sleep:

The Sympathetic Nervous System (SNS): This is our "fight or flight" system. When activated, it increases heart rate, breathing rate, and overall alertness. Intrusive thoughts, especially worries or stressors, can trigger this system.
The Parasympathetic Nervous System (PNS): Often called the "rest and digest" system, this promotes relaxation, slows heart rate, and prepares the body for sleep.

For a more detailed look at the nervous system, check out my previous post:

The Vicious Cycle of Sleep Anxiety and Intrusive Thoughts

When we’re lying awake and struggling to drop off to sleep, we often start to become increasingly aware of our lack of sleep.

A conceptual illustration of the insomnia "worry maze." A solitary person is curled up anxiously at the center of a circular, dark blue maze. At two separate dead-ends, glowing white text reads: "WHY AREN'T I ASLEEP ALREADY?" and "WHY DOES THIS KEEP HAPPENING?" — Trapped in the 'worry maze': When you lie in bed awake and frustrated, your brain enters a 'Performance Anxiety' mode. This creates a powerful 'conditioned alertness' cycle, where the bed is associated with worry rather than rest.

This awareness brings an additional layer of intrusive thoughts on top of the initial preoccupation that we had…

”Why aren’t I asleep already?”...

”I’m going to be so tired in the morning, how can I function at work?”...

”Why does this keep happening?”

It’s not difficult to see that this can lead to feelings of frustration, anxiety, or despair.

Just the kinds of feelings that get the sympathetic nervous system excited, and means we’re even less likely to fall asleep.

Congratulations, we’ve created a vicious circle!

A conceptual 3D graphic showing a circular metal chain locked by a gold padlock. In the center of the circle, the white bold text reads "VICIOUS CIRCLE," representing the psychological loop of sleep anxiety and racing thoughts. — The 'Vicious Circle' of sleep anxiety happens when the fear of not sleeping keeps the brain too alert to rest. To break the lock, we must shift the brain away from analytical thinking and into a state of safety.

How to Break the Cycle of Insomnia and Nighttime Worry

For us to be able to fall asleep, we need to calm down the sympathetic nervous system and encourage the parasympathetic.

This is where techniques like cognitive shuffling come in because they offer a way to interrupt the circle of intrusive thoughts, which should allow the calming influence of the parasympathetic nervous system to come online.

What is Cognitive Shuffling? A Simple Sleep Technique Explained

Okay, so what exactly is this technique? The name makes it sound more complicated than it is!

In simple terms, cognitive shuffling is a mental exercise designed to help induce sleepiness by occupying our minds with a simple, non-stressful task.

An illustration of the classic technique of counting sheep to fall asleep. A man is lying in his bed, and there's a white sheep on the bed. As the man counts, the number of sheep increases, with more sheep than the man can physically count. The room has a soothing color palette intended to signify a calming sleep environment. There is a lamp on a bedside table and a plant. — Too many sheep to count? When counting sheep becomes a chore, it signals to your Inner Meerkat that you are still "on duty." Cognitive Shuffling replaces this mental work with effortless "Mind-Scrambling" to signal it's safe to sleep.

A classic non-stressful exercise for promoting sleep is ‘counting sheep’, which aims to help the mind relax by engaging in a repetitive and monotonous activity, which allows the parasympathetic nervous system to become dominant so that we can fall asleep.

Not everyone finds that the counting sheep approach is helpful for them - perhaps their intrusive thoughts seem so strong that they break through the monotony of the exercise and keep pulling them back into the vicious cycle.

Cognitive Shuffling is an alternative that you can try that offers a more varied and engaging approach, which might be enough to make a difference.

The aim of cognitive shuffling as a strategy is to occupy our brains with a mild cognitive task that's just challenging enough to be engaging, but not so demanding that it causes stress or deep thought.

The idea is to focus on random, unrelated words to gently guide our minds away from whatever anxiety-inducing or stimulating thoughts we are having that are interrupting and delaying the onset of sleep.

Conclusion: Why Cognitive Shuffling Works for Better Rest

So, cognitive shuffling offers a simple, effective way to quiet your mind and ease into sleep.

By redirecting your thoughts to a gentle, non-stimulating task, you can break the cycle of sleeplessness and enjoy more restful nights.

If you’re now curious about how to actually practice cognitive shuffling and want step-by-step guidance to try it tonight, then check out the second part of this post:

In the guide, I explain the specifics of how to do cognitive shuffling effectively and explore if this technique can transform your bedtime routine.

If you've tried it, how about letting me know in the comments below how you got on?

About the author: Sarah Cosway is a BABCP accredited Cognitive Behavioural Psychotherapist with over a decade of experience working in mental health, both within the NHS and in private practice. She offers tailored CBT in a compassionate, collaborative environment, empowering clients to build resilience and manage their mental well-being with confidence.

https://www.coswaycbt.co.uk