SQL

mysql sleep

SELECT SLEEP(5);    -- 5 seconds
DO SLEEP(5);		-- same, output available

mysql sleep connections

<?php
$result = mysql_query("SHOW processlist");
while ($myrow = mysql_fetch_assoc($result)) {
if ($myrow['Command'] == "Sleep") {
mysql_query("KILL {$myrow['Id']}");}
}
?>