This episode is also on Bilibili too.
Today I want to talk about why Guo Degang and Yu Qian’s crosstalk can help you sleep. I fall asleep listening to Guo Degang and Yu Qian almost every night. For someone like me with ‘difficulty falling asleep,’ these two are basically lifesavers. There are plenty of people like me; otherwise, there wouldn’t be so many channels online that upload Guo Degang and Yu Qian bedtime crosstalk every night.
So what exactly is going on underneath it all? Why can these two coax everyone to sleep?
I can think of two mechanisms.
Mechanism 1: No Breath Gaps
The first mechanism is the absence of breath gaps.
First of all, I’ve noticed that not every crosstalk performance by Guo Degang and Yu Qian helps you sleep. The most hypnotic ones are from around the later part of their peak period, roughly their work from 2010-2015. The ‘I Want XXX’ series, that sort of thing. Performances from earlier than that are only moderately hypnotic. Later ones get less and less effective, and the ones from the past few years are especially bad—you actually feel more awake the longer you listen.
Where’s the difference? It’s in the ‘breath gaps.’ A breath gap is the pause between one sentence and the next. During their most hypnotic period, the rhythm of Guo Degang and Yu Qian’s crosstalk had an extremely distinctive feature: it ‘almost never left a breath gap.’
If you listen only to Lao Guo’s voice, of course there are plenty of pauses between sentences, just like in an ordinary conversation. But every time Lao Guo finishes a sentence, there’s almost no pause at all before Qian’erge’s supporting lines pick it up. Then, the instant Qian’erge’s voice stops, Lao Guo is right there with the next sentence. At their peak, as long as the audience’s applause didn’t interrupt them, their voices could flow on and on, for several minutes at a stretch, so that you could barely hear a breath gap. Every pause between Lao Guo’s sentences was filled by Qian’erge, and vice versa. It’s an incredibly satisfying rhythm.
Lao Guo often praises Qian’erge for having deep mastery, saying there isn’t a single line tossed to him onstage that he can’t catch. I think that praise isn’t just about the content; what’s even more impressive is the rhythm. Their sense of rhythm at their peak was simply incredible.
So what does this rhythm do for sleep? A lot of people can’t fall asleep for basically the same reason: they keep thinking about this and that, their brains won’t stop, and the more they think, the more awake they become. A rhythm with no breath gaps, combined with genuinely entertaining content, doesn’t merely hold your attention—it gives you no chance at all to start thinking about random things. Don’t underestimate those tiny breath gaps of less than a second. A pause of a few hundred milliseconds is already enough to make you think something like, ‘What’s coming?’ or to mentally replay what was just said. Once even a little thought like that surfaces, your brain has an even harder time settling down.
This no-breath-gap rhythm is probably the first mechanism by which Guo Degang and Yu Qian’s crosstalk can help you sleep. It also explains why very few people use Guo Degang’s solo crosstalk to fall asleep: one person talking without breath gaps would simply suffocate, unless they deliberately use software to cut out the breath gaps, like Banfo Xianren. It also explains why Guo Degang and Yu Qian’s newer crosstalk from the past few years is only mildly effective as a sleep aid. Their sense of rhythm has declined badly, and they leave especially long breath gaps; in recent years, Lao Guo and Qian’erge sometimes seem a little unable to pick up each other’s lines.
Mechanism 2: Simulating an Ancestral Tribe’s Sleep Environment
The second mechanism I thought of is that crosstalk may be simulating an ‘ancestral tribe’s sleep environment.’
Anthropologist Daniel Lieberman once observed that in some ancestral tribes that still retain the lifestyle of hunter-gatherer societies, the environment in which people fall asleep is completely different from that of modern people. They often sleep communally beside a campfire, and the surroundings are extremely noisy. Not everyone goes to sleep at the same time, so while some people are sleeping, others in the camp may continue chatting, caring for children, horsing around, or doing odd jobs. Amazingly, the people getting ready for bed don’t block out the noise or light at all, yet they have no trouble falling asleep in this chaotic environment.
That completely overturns the sleep standards of many modern people. People like us, who have to fall asleep every night in the company of these two male gods, Guo and Yu, are admittedly a little outside the mainstream. Most modern people require their surroundings to be completely dark and completely quiet when they go to sleep. Some people are so sensitive that even the tiniest bit of light or noise keeps them awake.
But could that requirement itself be a misunderstanding? Anthropologist Carol Worthman says that perhaps the environment of an ancestral tribe is the truly ‘sleep-friendly environment.’ That’s because when we’re preparing to fall asleep, the brain monitors the surrounding world and judges whether it’s safe to sleep. The sound of nearby friends and family talking, the crackle of a campfire, and a baby crying all happen to give us the signal that ‘everything in life is normal,’ so we enter dreamland feeling completely at ease. By contrast, a perfectly silent, pitch-black environment may not necessarily communicate safety to us.
But Lao Guo and Qian’erge’s crosstalk can. Two old acquaintances chatting in a relaxed tone right beside your ear perfectly simulates a scene from ancestral society: a few people gathered around a campfire, talking, joking, and generally fooling around. But even more important than that may be the sound of the live audience in the crosstalk recording. The audience laughs now and then, picks up a line, or whoops it up. That’s an even clearer signal telling you that there’s a group of people around you relaxing, listening to jokes, and fooling around. It means you’re completely safe. So you can relax and sleep right through it. Apparently, the hypnosis show performed beside my ear every night stars not only Lao Guo and Qian’erge, but also everyone in the live audience.
Simulating an ‘ancestral tribe’s sleep environment’ is probably the second mechanism by which Guo Degang and Yu Qian’s crosstalk can help you sleep. This mechanism may also explain why crosstalk used as a sleep aid is always the ‘no-singing version.’ Uploaders of sleep-aid crosstalk are considerate enough to cut out the singing and opera sections. That’s because conversation sends the signal ‘safe and uneventful,’ while singing changes the signal to ‘something major is happening in the tribe—pay attention.’ During the long ancestral-tribe era, music was associated with rituals and collective celebrations that brought the tribe together. The moment music started, you had to perk up and go worship your ancestors or dance with your tribal buddies. How were you supposed to sleep? This may also explain why very few people use Yue Yunpeng and Sun Yue’s crosstalk to fall asleep. Those two are highly skilled too, but I think there’s one important difference: Teacher Sun Yue’s supporting lines are quite aggressive. It sounds more like two people arguing, and that is definitely not a safe pattern. Qian’erge was like that early on too, but later he became much gentler.
All right, those are some of my thoughts on why Guo Degang and Yu Qian’s crosstalk can help you sleep. The second mechanism I mentioned was inspired by a passage in the book Exercised. That’s right, it’s a book about exercise, and sleep is just a side note in it. This book is fascinating. It combines perspectives from evolutionary biology and evolutionary anthropology to explain the past and present of ‘exercise’ in a way that’s genuinely eye-opening. Although the author, Daniel Lieberman, may not necessarily be very good at exercising himself, he may very well be the person on this planet who best understands exercise. If you’re curious, go find a copy and have a flip through it.
I’m Zhichao Wei. On this channel, I’ll keep sharing, discussing, and interpreting all kinds of books with you. If you enjoy my programs, please follow, like, save, and leave a comment; it really means a lot to me. Thank you for your support, and see you in the next episode.
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