Firefox crashes after Sleep

After the computer has been put to sleep a couple of times without rebooting Google News, some times CNN and several other web crash Firefox. Sometimes restarting Firefox allows me to open the website, sometimes it just keeps crashing. Rebooting "fixes" the problem but this tells me that Sleep is actually the problem. I notice that memory usage after a sleep is about 30% than after a sleep. This tells me that some processes are not "waking up".

I have only started using Sleep in the last couple of weeks so that's why I'm pretty sure is a Sleep/Firefox problem. Your comments are solicited.

A quick search of Mozillazine turned up a thread that might lead you to a solution:

Firefox Crashes When Computer Wakes • mozillaZine Forums

Will this work? I have no idea whatsoever; there may be more threads on the subject, I simply stopped at the first one I found: you might use the search box on the right at Mozillazine to find others.

Thanks for the suggestion. I disabled quite a few plugins that I have no idea why they were there and it may have fixed the problem. There's too many of them to bother with finding the one causing the problem. If some feature seems to be missing I'll look in to the matter further.