Your Playlist Could Be Sabotaging Your Focus. Here's What to Listen to Instead

Picture this: you sit down to study or read a book. You put on your favourite playlist. Two hours later, you look back on what you read and realize almost none of it stuck.

Now imagine the same material, the same room, the same you, but with one change: you replace the playlist with a different, specific type of sound. You finish faster. You focus better. And you actually remember what you read.

The difference is not discipline. It is science.

After writing about binaural beats, I went deeper into the full body of research on sound and cognition. The biggest takeaway: your sound environment matters more than most people realize. A small change in what you hear while you work can produce meaningful differences in focus, memory, and output. Get it right, and you gain more from the same effort. Get it wrong, and you leave performance on the table.

Here’s how to use sound to meaningfully improve focus, memory, and performance:

One quick note: most of the studies here are small, and not everyone responds the same way. Think of these as experiments to try on yourself, not universal rules.

One of the most important principles is not adding something new, but removing the specific noises that undermine cognitive performance.

The single most reliable focus killer isn’t noise level. It’s background speech, especially when you can understand the words (Szalma & Hancock, 2011).

Your brain can’t help decoding language it hears. Even when you’re “ignoring” it.

Unnatural sounds are a problem too. City-related sounds consistently impair memory, while nature sounds avoid that same memory cost (Fezjick et al., 2025).

What to do:

• Noise-canceling headphones or earplugs → cut out the noise that is distracting your focus first

• This matters most for focus-related tasks like reading, writing, and studying

Bottom line: Fix the speech distraction first.

Binaural beats produce real, measurable improvements in memory and attention (Garcia-Argibay et al., 2019; Basu & Banerjee, 2023).

But frequency selection is everything.

In one study, participants who listened to 20 Hz beta binaural beats recalled 46% of words compared to just 36% with white noise, a 27% relative improvement. Meanwhile, 5 Hz theta beats actually impaired recall below the white noise baseline (Garcia-Argibay et al., 2019).

Wrong frequency might not just fail. It could make things worse.

I covered this in more detail in my previous binaural beats post. And this is why I recreated the exact proper frequency to use myself (including others on my YouTube page).

What to do:

• For improved memory, listen to 20 Hz beta binaural beats through headphones while working (required: each ear needs a different frequency)

  • Start 10 to 15 minutes before your task, then keep them on during. Use this frequency:

• For fatigue, listen to 14Hz binaural beats for 12 minutes during breaks to substantially restore attention

  • Here is the exact frequency to use:

Full breakdown on Binaural Beats here:

A 2025 study found that forest soundscapes were more restorative than industrial noise and, in the crossover experiment, also sharpened directed attention (Longman et al., 2025).

Fifteen minutes of natural soundscapes improved directed attention in another study, while urban sounds produced little to no improvement (Van Hedger et al., 2019).

Nature sounds are especially useful as a reset tool and background track, particularly when they block out industrial noise.

Here is an audio overlay I made combining 20 Hz binaural beats and nature sounds:

What to do:

• Play nature sounds (rain, streams, birdsong, forest ambience) between work blocks for 10 to 15+ minutes or as background noise

• Water sounds appear particularly effective for cognitive restoration

Here’s the uncomfortable truth about your study playlist:

Songs with lyrics reliably impair verbal memory, visual memory, and reading comprehension. Instrumental lo-fi hip-hop? Essentially no effect at all, positive or negative (Souza & Barbosa, 2023).

The pattern underneath is simple: lyrics seem to be the problem, not music itself.

Your brain processes language it hears. When your task also needs language processing, they compete.

What to do:

• For reading, writing, and studying, instrumental music (without lyrics) is the better choice, though nature sounds and binaural beats may be even more effective.

• Music helps you get activated? Play it before the task, then switch to instrumental or silence.

Bottom line: no words.

This is one of the most interesting findings I found in the sound-cognition literature.

A 2024 review of 13 studies found that white and pink noise improved focus and task performance in people with ADHD. In non-ADHD groups, the exact same sounds impaired performance (Nigg et al., 2024).

Both experiences are real. Some people genuinely focus better with white noise. Others focus worse. Now you know why.

Brown noise, despite going viral, has zero controlled studies showing any benefit to date (Nigg et al., 2024).

What to do:

• ADHD or attention difficulties → experiment with white or pink noise at a comfortable volume.

P.S. If you’re interested in ADHD science, check out this post on my new paper exploring the link between ADHD and circadian rhythm disorders.

Your sound environment is either working for you or against you. Most people never think about it.

But the research is surprisingly clear:

• Background speech is the biggest threat to focus. Block it first.

• Binaural beats work and are frequency-specific. The right one may help memory, while the wrong one can hurt it.

• Nature sounds can improve attention and restoration, especially compared with urban noise.

• White noise is not universal. It helps some brains and hurts others, likely depending on your attention profile.

The beauty of this is that you do not need more discipline, more time, or more effort. You simply need a better sound environment.

This is one of the rare strategies to get more out of the work you are already doing with zero extra effort.

And if you want to take this further, check out my recent post on study strategies, where I break down 10 evidence-based strategies that cut my study time while helping me score above the 90th percentile on my medical board exam.

Thanks for reading. If you found this helpful, a like or restack means a lot and helps others discover it.

This newsletter is for educational purposes only. It is not personal medical advice. Opinions are my own. Always consult your own health-care provider for medical guidance.