Prize Pool: $12,000 USD (¥2.22M)Duration: 90 MinutesLocation: Tokyo, Japan
Contestant Telemetry90-Min Polysomnography
Quick Strategy Presets:
Heart Rate Variability (HRV)78 ms
High parasympathetic tone stabilizes autonomic nervous system sleep depth.
Micro-Movements Index1.2 /hr
Tournament sensors detect micro-arousals, muscle twitches, and tossing.
Deep Sleep (Slow-Wave) Ratio45%
Target proportion of stage N3 slow-wave delta sleep within 90 minutes.
Disturbance Resistance & Calmness95%
Ability to stay asleep through intentional Tokyo venue disturbance noises.
Official Tokyo Rules: Contestants sleep on Koala mattresses for exactly 90 minutes. Sleep tracking monitors EEG band stability, heart-rate deceleration, and motion spikes. No sedative drugs allowed.