How can I stop PHP sleep() affecting my whole PHP code?

Question

So, on my arcade, howlingdoggames.com. I have a points system that gives you a point every time you visit a page with a game on, now, to reduce abuse of this, I would like

Answer 1

Instead of blocking the script, save the current time in the session, don't add the points and let the page render. Then on later page views if you see that the saved time in session is older than 45 seconds, add the points, store them wherever you need, and clear the time.