Daisuke Hori Snaps “Don’t Jump to Conclusions!” After Getting Caught Snoring During a Scalp Massage, Clashes with Valentine Hosokawa

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The story

Entrepreneur Daisuke Hori, who promotes himself on YouTube as sleeping just “30 minutes a day,” ran a livestream from September 9 documenting a week of his life — but on day two, he appeared to snore while asleep during a scalp treatment, prompting viewers to question his claims. Hori explained that he had merely experienced around 10 “microsleeps” — brief lapses of consciousness — but he went on to appear to be asleep during other spa treatments as well. When boxer Valentine Hosokawa called him out over the incident, it sparked a back-and-forth between the two, and a 5channel thread expanded into debate over whether Hori’s sleep claims are true, and even the business model behind his livestreams.

Sun, Sep 13, 5:00 PM

Entrepreneur Daisuke Hori, the “30-minutes-a-day short sleeper,” currently streaming “[One-Week Livestream] The Daily Life of Short Sleeper Daisuke Hori” on YouTube, is facing a wave of criticism.

“There have been doubts raised about Hori, questioning whether he really sleeps only 30 minutes a day, and the livestream seems intended as proof against that. The stream started on the night of September 9, but on day two, the 10th, footage showed him appearing to snore while asleep partway through a head-spa massage from a beauty therapist. He later explained that he had entered a ‘microsleep’ state — a very brief form of sleep — around 10 times. Since then, there have been further scenes where he appears to be asleep during other treatments, such as facials.” (a sports newspaper reporter)

Source: news.yahoo.co.jp / Read the original article here

What people said

4AnonymousSep 13, 2026 17:42
Takasu threw him a lifeline
and now it's boring
50AnonymousSep 13, 2026 18:24
Re: #4
What did he do?
15AnonymousSep 13, 2026 17:50
He should go on Downtown's Wednesday sleep-deprivation endurance show
77AnonymousSep 13, 2026 19:06
Re: #15
He'd prove it better by just sleeping a normal 30 minutes and then driving the Iroha-zaka switchback road for 23 hours 39 minutes.
21AnonymousSep 13, 2026 17:53
Valentine shows up everywhere, huh
Stick to boxing stuff
28AnonymousSep 13, 2026 17:59
Re: #1
He claims he only sleeps 30 minutes, yet he's dozing off all day, blacking out over and over, and constantly talking about sleep while thinking about sleep —

I'd really love to know exactly when he's using those other 23 hours and 30 minutes productively on anything besides sleep 😭
31AnonymousSep 13, 2026 18:00
Re: #28
Whether it's being used productively isn't for you guys to decide — that's up to him
59AnonymousSep 13, 2026 18:35
Re: #28
At this point he's basically just a guy desperately longing for sleep
29AnonymousSep 13, 2026 18:00
Re: #1
> "I figured the whole point was making the most of his 23.5 waking hours, but he's just turned into a guy enduring 23.5 hours of not sleeping"

Lol, don't say it
52AnonymousSep 13, 2026 18:26
Re: #29
This is such a perfect example of mixing up means and ends lol
33AnonymousSep 13, 2026 18:01
He's recruiting students and taking their money by pitching that short sleeping lets you use time more efficiently, right?
There's a real chance a group of them could file a fraud lawsuit against him, so of course he's getting desperate.
34AnonymousSep 13, 2026 18:02
Re: #33
If anyone's desperate here, it's Valentine Hosokawa
At this rate, Hori wins
58AnonymousSep 13, 2026 18:35
Re: #33
If this Hori guy actually studied and earned some kind of certification within this one week, that would make for a much better showing
35AnonymousSep 13, 2026 18:03
I don't really get why people are so intent on calling him out
You can tell from his face that he's exhausted, so just drop it already
If everyone keeps watching him like this, he won't be able to sleep even if he wants to
Just leave him be
41AnonymousSep 13, 2026 18:07
Re: #35
Not when he's profiting off this — no way
44AnonymousSep 13, 2026 18:12
It's fine if he falls asleep during a scalp massage, isn't it?
He's not running some sleep-deprivation endurance race, is he?
He just claims he normally has no time to sleep and only gets 30 minutes (well, that's the premise anyway)
Of course he'd sleep if the situation lets him
49AnonymousSep 13, 2026 18:24
Re: #44
But he's the one getting all worked up insisting he wasn't asleep
61AnonymousSep 13, 2026 18:39
So in the end, which is it —
• He's sleepy, but 30 minutes causes no problems
• 30 minutes gives him perfect, deep sleep
Which one?
71AnonymousSep 13, 2026 19:01
Re: #61
Just go watch the stream yourself
70AnonymousSep 13, 2026 19:00
Who's Takashi Uchiyama?
Is he more respectable than Naoya Inoue?
81AnonymousSep 13, 2026 19:15
17 years of the same daily routine is coming back to haunt Daisuke Hori
83AnonymousSep 13, 2026 19:18
Re: #81
Baring your private life on a 24-hour livestream with zero privacy, surrounded by comments from kids, isn't Daisuke Hori's normal daily life
86AnonymousSep 13, 2026 19:24
Re: #84
If he's only 160cm, shouldn't he be cutting weight?
With that height, why isn't he fighting at featherweight instead of super lightweight?
What a waste of that Nigerian 🇳🇬 blood
92AnonymousSep 13, 2026 19:29
Re: #86
I'd like to see him try, but if the man himself doesn't want to, there's nothing to be done
He debuted late with no amateur background, so for him it probably wasn't about aiming to be world champion — it was more of a personal, health-first challenge to see how far he could go
88AnonymousSep 13, 2026 19:26
Re: #70
Uchiyama is amazing
He defended the super featherweight world title 11 times over about 6 years
In the same weight class, he's way stronger than Takanori Hatakeyama
91AnonymousSep 13, 2026 19:28
Re: #88
So does that make him greater than Naoya Inoue?
Drop the "Koropokkuru theory" already lol (an internet meme theory about short fighters, named after the tiny folk of Ainu legend) — even Hosokawa denies that one
95AnonymousSep 13, 2026 19:30
Re: #91
Nobody surpasses Inoue
But Uchiyama still holds up as one of Japan's all-time greats
96AnonymousSep 13, 2026 19:31
Re: #91
Uchiyama is undeniably great

Background and Key Points of This Story

Daisuke Hori is known as a self-improvement-oriented entrepreneur who brands himself as a “short sleeper,” and doubts about the truth of his claimed sleep schedule have been raised before. This week-long livestream was likewise meant to serve as proof, but repeated scenes of him appearing to lose consciousness during treatments only ended up fueling the skepticism further. In the thread, many commenters tried to sort out the distinction between a “microsleep” — a lapse of consciousness lasting only tens of seconds — and a proper “nap,” suggesting the dispute is less a simple shouting match and more a disagreement over definitions. Others pointed to the livestream’s Super Chat earnings and to Hori’s sleep-technique seminar business, broadening the debate beyond the truth of his claims to whether he’s cashing in on them.

※This article is compiled from excerpts and a summary of the 5channel (Entertainment & Sports News+) thread “Daisuke Hori, the “30-minutes-a-day” sleeper, snaps “Don’t jump to conclusions!” after getting called out for “snoring during a scalp massage,” erupts into a fierce back-and-forth with Valentine Hosokawa.”

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