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The story
Streamer Daisuke Hori, who runs a course teaching people to become “short sleepers,” announced live on stream that he had slept only 3 hours total over 4 days as the result of his sleep-restriction challenge. Since he had originally set a goal of “30 minutes of sleep per day,” 5ch users began debating whether his claims were genuine. Commenters pointed out roughly two hours during a massage session when the video and audio feed were cut, as well as the fact that he had removed his smart ring, raising suspicions that he may have had a staff member wear the ring in his place to make it look like he was still awake. The thread also brought up the fact that courses run by the association Hori heads reportedly start at 348,000 yen (about $2,300), drawing criticism of what some called an expensive money-making scheme.
What people said
I once went 5 days without sleep and I kept seeing shadows flickering at the edge of my vision the whole time.
Because 3 hours doesn't have much impact.
Even after a full night's sleep, staring at a fast-scrolling comment section makes you feel sick — I don't know how he's pulling this off.
The one where Tom can't sleep because of Jerry's noise, so he goes all the way to outer space just to sleep, and Jerry follows him and ruins it anyway?
Where's the "premium" (prize/incentive) in this though?
Well, he's got an audience the size of a full Tokyo Dome watching him, so…
And on top of that he'd taken the ring off. He probably had a staff member wear it so it would register as him being awake. Impressive that he'd go this far — all he's thinking about is how to sleep without getting caught.
Probably because plenty of ordinary people already sleep that little, lol. Trump's supposedly like that too.
Nishino (the comedian-turned-entrepreneur) made the same claim with a 3-hour setup, so he might be trying to copy that.
3 hours a day for a week is something basically anyone could pull off anyway.
Probably once the log in Re: #67 got sent to him, he realized he'd get caught, so that's why he had a staff member wear the ring during yesterday's massage.
Hori: (beaming) "Thank you!"
↓ The next day
https://imgur.com/a/jaHJkBU.jpg
Suggesting "why not take a nap?" and then going "gotcha, fail!" lol, that's hilarious. Way too calculating.
This guy is having more fun toying with him than anyone.
He's raking in huge revenue and supporting his wife and kid as the breadwinner.
Yeah, exactly. The moment this turns into some kind of sleep-deprivation endurance stunt, it's already gone off the rails.
So he's robbing people of their normal judgment by depriving them of sleep, then collecting money off them? That's downright vicious.
Go buy his course then, he'd be thrilled.
Well, he himself won't admit that counts as sleep.
I really hope he doesn't drive a car or ride a bike. Trains are dangerous too without platform doors to stop him from falling.
If it were 1,000 yen I'd actually buy it.
Don't go calling it "respect" when your devotion only runs that deep 😡
Background and Key Points of the Debate
The term “short sleeper” technically refers to an academic classification for people who, due to specific genetic mutations such as DEC2, are naturally able to function on very little sleep — there is little medical evidence supporting the claim that anyone can acquire this trait through training. Daisuke Hori markets this constitution as something “trainable,” running expensive courses around the idea, and this livestream challenge was positioned as a demonstration of that claim. Opinion in the thread split over whether the on-stream “napping suspicions” were just harmless showmanship or a lack of the verifiable proof that would justify the course fees. It’s also worth noting — something only touched on piecemeal in individual posts — that the smart ring’s sleep detection can be overridden depending on what the wearer self-reports, making it structurally difficult for outsiders to verify objectively.
*This article is compiled and summarized from the 5ch (Nandemo Jikkyo G) thread “Short sleeper Daisuke Hori slept only 3 hours in 4 days.”
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