Mirai Asakura vs Daisuke Hori
7 days without sleeping. A showdown after enduring a week of sleeplessness
Translated by AI. View original
AI verdictMirai Asakura
Community prediction
Who wins? Your vote counts toward the win rate
Prompt
If Daisuke Hori and Mirai Asakura fought under the condition of fighting without sleeping for a week, who would win?
Answer from GPT-5.6 Sol
To get straight to the conclusion, if the condition is that both fighters get exactly 0 minutes of sleep for 7 days before the fight, even then I think Mirai Asakura is considerably favored. Roughly, Mirai Asakura 80–90% : Daisuke Hori 10–20%. However, compared to a normal Mirai Asakura vs Daisuke Hori, the element of unpredictability increases enormously.
The most important thing is that Daisuke Hori has not been proven to be "a person who is strong against zero sleep." In September 2026 he completed a week-long consecutive livestream, but during it there was a scene where he slept for about 27 minutes, and he himself explained microsleep and indicated a policy of incorporating power naps partway through. Therefore, his own claim of being "adapted to extremely short sleep of about 30 minutes a day" and "being able to maintain ability even with 168 hours of complete sleeplessness" are completely different things.
On the other hand, Mirai Asakura is a professional fighter at 177 cm and in the 66 kg class who has been doing MMA for over 10 years. Not only striking, but distance management, takedowns, defense, ground work, and reaction to the opponent's movements are ingrained at a competitive level.
However, if he stays completely awake for 7 days, Asakura's fighting ability will also drop drastically. With sleep deprivation, reaction time, attention, and judgment worsen, and in particular microsleep can cause seconds-long stretches of unresponsiveness. In research, even just 24–48 hours of total sleep deprivation significantly worsens perceptual reaction time and psychomotor vigilance. 168 hours is not a condition under which you can expect decent MMA.
Even so, the reason Asakura is favored is that the more advanced judgment disappears due to fatigue, the more the automated movements of martial arts ingrained in the body matter.
For example, at the start of the fight,
- Hori throws a big punch
- Asakura reflexively slips out of range
- Counter or clinch
- Takedown
- Get on top
At that level, it could work even if Asakura can only perform at about 20–30% of his normal ability.
The difference becomes especially large on the ground. It is hard to imagine an amateur whose judgment has declined from sleep deprivation improvising "how to get up," "protect the neck," and "not let him take the back" against a professional MMA fighter.
What's interesting is that if you change the condition from "7 days of complete sleeplessness" to "for 7 days, Hori sleeps about 30 minutes as usual, and only Asakura sleeps 30 minutes," the story changes considerably.
In that case, assuming Hori truly has the ability to maintain function under extreme short sleep,
Normal: Asakura over 99% 7 days of complete sleeplessness: Asakura about 80–90% 7 days with 30 minutes of sleep: Asakura about 70–85%
The gap could shrink to around that much.
Still, even then I would pick Asakura. No matter how high a single ability like "tolerance for staying awake" is, the skill gap between "a professional MMA fighter and a non-MMA fighter" is simply too large.
Conversely, if the rule were a deathmatch-style rule like "fight continuously for 7 days, sleeping is forbidden, and whoever doesn't collapse until the end wins," this becomes quite interesting. Under that rule, rather than martial arts ability, "sleepiness, endurance, and energy-saving ability" become dominant, and scenarios where Hori wins increase considerably.
›Follow-up questions (1)
- Question:
Make it a deathmatch rule
- Answer:
Yes. If you turn the previous condition directly into a "7-day continuous deathmatch," the conclusion actually needs some revision.
Mirai Asakura is considerably favored. I see Asakura at over 95%. The reason is simple: in a deathmatch, the premise of "surviving until day 7, when sleep tolerance becomes the deciding factor" itself is hard to establish.
Asakura is an active-level professional MMA fighter and has experienced many professional fights in his public record.
Let's set the rules this time as follows:
At hour 0, both have gotten enough sleep From there, 7 days with no sleeping allowed Eating and hydration are allowed No rest periods Running around or sitting is allowed Victory when the opponent becomes unable to continue fighting MMA-style strikes and grappling are permitted
In this case, I think the passage of time would go like this.
Start to 1 hour: Asakura is overwhelmingly favored.
This is the biggest problem. Even if you evaluate Daisuke Hori's short-sleep ability as favorably as possible, it is almost meaningless right at the start.
Neither of them is sleepy.
In other words, it becomes an ordinary contest of
professional MMA fighter vs a person who is close to an amateur in martial arts.
The experience gap in striking, distance, timing, clinching, takedowns, and positioning is too large.
So before it can develop into "Hori is strong against sleep, so he'll turn it around around day 5," under normal circumstances it would already be decided.
⸻
But here's the interesting part.
If you add a special rule that "Asakura is not allowed to end the fight with a single blow," it moves much closer to Hori being favored.
For example, make it a "combat + sleepless endurance competition" where:
Victory or defeat is not decided until 168 hours have definitely passed Lethal attacks are forbidden Even if you KO the opponent, if they recover, the fight resumes Both may run away or rest If you sleep, you lose
Once it becomes that, it's a different sport.
I think,
0–24 hours: Asakura favored 24–48 hours: still Asakura favored 48–72 hours: the gap shrinks rapidly After 72 hours: if Hori's short-sleep adaptation is real, Hori may become favored
Why? Because Asakura's greatest weapons—
- reaction speed
- timing
- sense of distance
- situational judgment
- explosive movement
- complex skill selection
are all affected by sleep deprivation.
Meanwhile, for Hori, if we assume that the ability to adapt to extremely short sleep that he claims truly exists, then that special ability would kick in ferociously after 72 hours.
To put it extremely, on day 5,
Asakura:
"I'm seeing two of my opponent... what hour is it now..."
Hori:
"I'm a little sleepier than in my usual life"
If a gap like that really arose, it could overturn the physical ability difference.
Therefore, by rule, it comes out like this:
Rule My prediction Normal MMA Asakura >99% MMA after staying awake for 7 days Asakura about 80–90% Fight starts now, ends immediately when unable to fight Asakura over 95% Sleepless endurance battle where no decision is allowed until 168 hours Quite close "Whoever sleeps loses" is the top priority Hori can become favored
So if you want the interesting matchup Sho probably first imagined, the best rule is: "For 7 days, KO decisions are forbidden, sleeping is immediate defeat, and after 168 hours the ones still awake have a final MMA match."
With this, Asakura's martial arts ability vs Hori's short-sleeper ability truly collide head-on. Under this rule, I would quite seriously narrow the win rates to about Asakura 55: Hori 45.
Takes & replies1
Top take from each side
堀大輔だけ完全睡眠、朝倉未来が1週間眠らずに対決したらどうなりますか? その条件なら、堀大輔がかなり有利になります。私は 堀 70〜85%:朝倉未来 15〜30% くらいに見ます。 前提は「堀は十分に睡眠を取った通常状態」「朝倉は試合開始時点で丸7日=約168時間、一睡もしていない」です。 朝倉未来の格闘技能力そのものは圧倒的です。RIZIN公式でも長年のMMA経験があり、フェザー級66kg級でトップレベルの試合を重ねています。 しかし、168時間の完全断眠は、格闘技の技術差をかなり破壊するほど極端な条件です。 睡眠不足では、覚醒時間が長くなるほど注意力・反応速度・精神運動能力が悪化し、特に「lapse(注意の脱落)」やマイクロスリープが増えます。レビューでも、断眠が長引くほど注意機能が不安定になり、反応できる瞬間とできない瞬間が交互に出ることが示されています。 45時間以上の完全断眠では、特に反応速度を要求される課題への悪影響が大きいというメタ分析もあります。 MMAではこれが致命的です。必要なのは単なる筋力ではなく、 * パンチを見て反応する * 相手との距離を測る * バランスを保つ * フェイントを識別する * テイクダウンへの反応を選ぶ といった高速な認知処理です。 7日徹夜した朝倉が、普段のような反応速度や距離感を維持できるとは考えにくいです。 一方で重要なのは、朝倉が弱い人間になるわけではないことです。ここが面白いところです。 仮に朝倉が「通常の10〜20%くらいしかまともに動けない」状態でも、 元プロMMAトップ選手の10〜20% と、 格闘技を専門としていない健康な成人100% のどちらが強いかは、かなり微妙です。 例えば開始直後に朝倉の覚醒度が偶然高い時間帯に当たれば、身体に染み込んだ距離管理や組技だけで短時間で決着する可能性があります。 しかし168時間断眠では、 朝倉:「攻撃を認識 → 判断 → 防御」 という処理そのものが途切れる可能性があります。 極端なイメージとして、 堀が近づく ↓ 朝倉は見えている ↓ しかし1〜2秒反応しない ↓ ハッと戻る という瞬間が繰り返される。 これは格闘技では非常に不利です。 なので時間軸で考えると、こんな予想です。 状態 予想 両者十分な睡眠 朝倉 >99% 朝倉24時間徹夜 朝倉 95%前後 朝倉48時間徹夜 朝倉 85〜95% 朝倉72時間徹夜 朝倉 65〜80% 朝倉120時間徹夜 堀が優勢になり得る 朝倉168時間徹夜 vs 堀完全睡眠 堀70〜85%程度 ただし、最後の数字は実験データから直接算出できるものではなく、格闘技能力差と睡眠 deprivation の研究を組み合わせた仮定です。 そして、さらにルールを「眠った瞬間に負け」にすると、朝倉にはもっと厳しいです。 168時間起きた直後に試合を開始して、 「KO・一本・睡眠のどれかで敗北」 なら、朝倉は戦っている最中にマイクロスリープや強烈な睡眠圧に負ける可能性まであるので、私は 堀80〜90%程度まで上げます。 つまりこの対決、「一週間というハンデ」が初めてプロ格闘家と一般成人の戦闘能力差をひっくり返し得るレベルだと思います。