Don’t add this song to your driving playlist. — Dan

If you've ever had surgery, you know the drill: you check in, change into a gown, and wait. And wait. And wait some more. The anticipation can be brutal. Your mind races through worst-case scenarios, your heart rate climbs, and by the time the anesthesiologist arrives, you're a bundle of nerves. Hospitals know this, which is why they often offer patients a sedative to take the edge off before procedures begin. It's a small pill or injection that calms you down, making the whole experience a bit more bearable.

But sedatives come with baggage. They can cause breathing problems, circulation issues, and in about five to seven percent of patients, they actually make anxiety worse. They also tend to lengthen recovery time. So researchers at the University of Pennsylvania decided to test an alternative: a song.

Not just any song, though. They chose a track called "Weightless" by the British ambient band Marconi Union — a piece of music specifically engineered to reduce anxiety. (You can listen to it above.) The band worked with sound therapists from the British Academy of Sound Therapy to create something almost scientifically optimized for relaxation. The song begins at 60 beats per minute, roughly matching the average adult's resting heart rate, then gradually slows to 50 BPM, coaxing the listener's pulse to follow. Dreamy synths, soft piano, and samples of trickling water, and bird calls fill out the arrangement. There are no sudden changes, no jarring surprises — just eight minutes of music carefully calibrated to help you chill out.

And: it worked. As the BBC reported, researchers at the University of Pennsylvania ran a study involving 157 patients awaiting nerve blocks before orthopedic surgery. Some listened to just three minutes of "Weightless" through noise-canceling headphones, while others were given midazolam, a commonly prescribed sedative. And the results were virtually identical: both groups experienced the same reduction in anxiety, starting with moderate anxiety levels but ending up rather calm.

That wasn’t a one-off finding, either. Research by Mindlab International (pdf here) found similar results. In that study, participants solved stressful puzzles while listening to various tracks. "Weightless" outperformed every other song tested, reducing anxiety by 65% and lowering heart rate, blood pressure, and breathing rates. The effect was so pronounced that researchers warned against listening to it while driving.

There are some other downsides to the music, though. In the Penn study, patients who received the sedative reported slightly higher satisfaction — pills are known to work, but headphones and music felt more like witchcraft than medicine. Also, doctors found it harder to communicate with patients wearing headphones. Finally, some participants said they would have preferred to choose their own music rather than having a song assigned to them — and that can be very important when they’re about to go under the knife. As Dr. Veena Graff, the study's lead author, told the Philadelphia Inquirer, in these situations, personal preference matters: "Music lights up the emotional area of the brain, the reward system and the pleasure pathways. It means patients can be in their own world."

Still, the implications are hard to ignore. Music is cheap, readily available, and has no contra indications or side effects. And for patients who don't need heavy sedation, it might be all they need to get through those anxious pre-operative minutes. Penn Presbyterian Medical Center now offers "Weightless" as an option for patients awaiting surgery. Some, Dr. Graff noted, are even choosing a third option: nothing at all.

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Today’s Bonus fact: Want to manage your anxiety? Maybe try pretending that you’re Batman. It turns out that acting like a different version of yourself can help you get out of your own head. Or, as the BBC reported, “Adopting an alter ego is an extreme form of ‘self-distancing’,” which helps you step outside your own anxious thoughts and see situations more objectively. So instead of asking “What should I do?”, ask “What would Batman do?”— because even if you’re just sitting at your desk and not fighting crime in Gotham, that tiny mental shift can make you feel a lot more capable of handling whatever’s in front of you.

From the Archives: Welcome to Temporary Anxiety: It’s not Cleveland.

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And thanks! — Dan