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The Effects on Cognition of Sleeping 4 Hours per Night for 12-14 Days: a Pre-Registered Self-Experiment - Alexey Guzey

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I slept 4 hours a night for 14 days and didn’t find any effects on cognition (assessed via Psychomotor Vigilance Task, a custom first-person shooter scenario, and SAT). I’m a 22-year-old male and normally I sleep 7-8 hours. I was fully alert (very roughly) 85% of the time I was awake, moderately sleepy 10% of the time I was awake, and was outright falling asleep 5% of the time. I was able to go from “falling asleep” to “fully alert” at all times by playing video games for 15-20 minutes. I ended up playing video games for approximately 30-90 minutes a day and was able to be fully productive for more than 16 hours a day for the duration of the experiment. I did not measure my sleepiness. However, for the entire duration of the experiment I had to resist regular urges to sleep and on several occasions when I did not want to play video games was very close to failing the experiment, having at one point fallen asleep in my chair and being awakened a few minutes later by my wife. This sleep

The Effects on Cognition of Sleeping 4 Hours per Night for 12-14 Days: a Pre-Registered Self-Experiment created: 2020-04-30 ; modified: 2020-06-25 Table of Contents 5 random top posts > Is anything inherently difficult? > Why I believe in AGI (again) > Why is there only one Elon Musk? Why is there so much low-hanging fruit? > How Life Sciences Actually Work: Findings of a Year-Long Investigation > Why You Should Start a Blog Right Now Discuss this study on my forum or see discussion on Hacker News (>400 points, >350 comments). Abstract I slept 4 hours a night for 14 days and didn't find any ef

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