yeh it depends what sort of prayer it is. i find the toilet or shower really good lol
also cars for flash prayers. those shorter ones. I know a guy who gets prophetic words in his car for the surrounding traffic!!!!!!
but yeh, sometimes u do have to stop and give the almighty all of your attention with no distractions hay. just depends. I love the car thing tho. Specially when u r on the way to something or when there is an ambulance at a scene or when u need a car park hehehehe