Looking out of the window and just daydreaming, letting your mind drift without a podcast or audiobook playing in the background. As children, we're constantly told to stop daydreaming, that it's just our imagination and bored children are handed a phone or a tablet to keep them occupied. When did we lose sight of the benefits of letting children and adults be bored?
Genuine boredom feels uncomfortable at first, and the urge to reach for our phones is strong. Time is precious, so idle time gets treated as wasted time. Moments of real boredom are rare these days, yet science increasingly shows that boredom is necessary.
There's an area of the brain called the default mode network, or DMN¹, a large-scale network of interconnected regions that switches on during rest, when external stimulation is low, and the mind is left to wander. This isn't wasted brain activity, but a time when emotions get processed, memories get filed away, and creativity occurs. It also helps you understand yourself and other people³, in other words, it gives you time for self-reflection.
As Menon puts it, this inner narrative shapes how we experience the world and forms a core part of human consciousness², although the DMN only switches on when external stimulation is low. Constant input - a phone buzzing, a conversation on the go - stops it from functioning.
Research over the past two decades has linked the DMN to several core mental functions. During rest, the hippocampus consolidates recent experiences into long-term memory, a process that stalls when the brain is constantly occupied. Emotions get processed in these quiet moments too, but chronic overstimulation leaves the emotional inbox permanently full, and feelings become ready to spill at the smallest trigger.
Have you ever had an amazing idea in the shower or had the solution to a problem pop into your head out of nowhere? Creative insight tends to strike during quiet moments like these, because the DMN makes new connections when we're not concentrating - connections that focused attention actually blocks.
Modern technology has filled the space that boredom used to occupy. People used to commute without headphones and queue without scrolling. They ran baths in silence, and walked without a podcast filling every step. Each of these moments gave the DMN room to switch on, easing stress and letting the brain properly switch off.
Without boredom, decisions get harder to make, creativity dries up, and emotions stop settling down. That flat feeling, the sense that nothing shifts no matter what you throw at it, is what happens when the DMN never gets the time and space to do its job.
The brain's energy requirements during DMN activity are high and require specific nutrients to help fuel what it's doing. The main one is Omega 3, particularly DHA (docosahexaenoic acid) and EPA (eicosapentaenoic acid), essential fats which the body cannot make on its own. DHA is the primary structural fat in brain cell membranes, supporting synaptic plasticity (the strengthening or weakening of connections between neurons that underlies learning and memory) and the DMN's efficient functioning.
B vitamins, particularly B12 and folate (B9), support the methylation cycle, a process that's vital for memory consolidation and other important processes in the body. Choline matters too: it's the precursor to acetylcholine, the neurotransmitter most closely tied to memory.
Another nutrient vital for supporting cognitive function is Magnesium, especially Magnesium Glycinate, which helps the brain to switch off after long stretches of stimulation. It regulates NMDA receptors (a type of glutamate receptor found throughout the brain), supporting the nervous system's ability to wind down.
Next time you catch yourself bored whilst the kettle boils or stuck in a queue, resist the urge to reach for your phone and let yourself have the empty moment.
That moment isn't wasted at all. Your DMN is hard at work, consolidating memories and processing the emotions you've been carrying around. It turns out that boredom isn't something to escape. It's something worth protecting.
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