I am certain that your knowledge is better than that me here but has apache and mysql services been restarted? do you have access to the my.cnf file? max_connections is worth checking if so. PHP version hasnt been 'úpgraded' by the host? Stabbing a little in the dark but hey
yeah no biggy just thought I would make you aware, one was at 3ish this morning I think and 200-- 300 people on line. It does indeed seem to rectify itself quickly