Ok this part makes zero sense and now I do question why he played after seeing this part of the report. That much sleep deprivation can have a similar effect to being drunk in terms of awareness and neuromuscular control. There’s nothing inherently dangerous about sleeping while having a superficial clot. Immobility (venous stasis) can cause clots to get worse, but that’s why you are often advised to just sleep with the leg elevated. I’ve NEVER heard of someone being told to avoid sleep after a superficial blood clot diagnosis and the short term effect of that sleep deprivation is a terrible thing to play football with.