Rhonda Patrick· PhD
And what we found was prior concussion history, being male, and being in a high-risisk sport were the three biggest predictors of concussions, except for the sleep variables. insomnia having having a high insomnia severity and it's like which is which is a questionnaire we use to see like how much is your is your insomnia interfering with your functioning day during the day and how much is it stressful for you and daytime sleepiness saying at least two days uh a week I think it was a week at least two days um in a period I'm having trouble staying awake those two not amount of sleep but those two were better predictors of whether you were going to get a concussion then.