When 11 I used to collapse from this in the right conditions - warm fire, 4 hours reading a goodbook without moving and stand up to collapse flat on my face.
Some of you are probably thinking "yeah he's still demented" but that's because I'm not American, religious or political!
Yes it happens, especially if I am concentrating hard and forget to breathe
That b' breathing - you're addicted to it from birth, give it up & you're brown bread.
@FrayedBear lol
Low blood pressure. When crouched and rapidly stand up blood doesn't reach head, hence dizziness. I don't know about the dementia link. It's common occurrence. Affects tall people more. Make sense, blood has longer to travel. Although it's called postural hypotension, it can be related to high blood pressure as well. It can be a circulation problem. Sometimes it just happens with no health issues. It's like when your foot falls asleep only it's your head. If it happens when your drunk you won't remember.
Ir's been so long since I've been sober, I don't remember.
A cracking first response. LMAO ROFL