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wait is this ironic
i know that the paper i published is just a correlational study but re: insomnia. do you have studies that show ill effects of insomnia itself? could it be that x causes both insomnia and ill effects?
see here, and you can trivially experiment on yourself- just try not sleeping for the next five days and see what happenshttps://www.scientificamerican.com/article/how-long-can-humans-stay/ …
interesting; however, some of this seems fishy e.g. "The easy experimental answer to this question is 264 hours (about 11 days)." which is trivially not true. The guy who set the record planned to not sleep for 11 days from the start (to set a world record) -- wasn't his limit!
i tried sleep deprivation a few months ago -- after a week of sleeping for 6 hours my head started to hurt and i aborted it. will try again sometime!
In Russia you don't get sleepy when you don't sleep, the cold keeps you awake 
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