I have a friend that works in a mortuary that has told me that sometimes a male cadaver comes in with an erect penis. I doubted that until I saw photographs of dead Iraqi soldiers with seemingly the same condition. My boyfriend insists this is physcially impossible.
I am not a doctor, but I’ll take a stab at it. A penis is probably not erect because of increased blood flow, it’s probably erect because of reduced blood flow. i.e there’s less blood flowing out than there should be. If whatever mechanism restricts blood from leaving the penis clenches shut it could possibly maintain an erection(like an inflated balloon) even after no blood is flowing in. Just a WAG though.
The common term for it is “angel lust”. It is very common in cases like executions, where panic causes increased blood flow to the lower extremeties. After death the blood remains in the penis. It can also be caused by gases released by the decomposition process.
If someone can’t figure out that a link called “death erection” in a thread about post-death erections is a link to an article discussing post-death erections, how would they possibly realize that a “Not Safe for Work” disclaimer next to the link meant that clicking on the link might not be appropriate if they were at work?
Not to beat a dead horse… er, go over a topic unnecessarily. Can’t be too safe.
Along with higher testosterone levels in the morning, you’re relaxed and you are more likely to have been dreaming, things which promote erections. If you’ve got a full bladder, you’ve got another factor to consider; your body sometimes uses the partial or full blockage of the urethra when you have an erection to keep you from wetting yourself.