I borrowed my friend's ipod and decided to give this technique a try. I fell asleep a little after 11pm, and I set my alarms to 5:20AM and 6:20AM. After 6:20am I hit snooze like couple times. In the end I didn't get any lucid dreams but I had several vivid dreams which I remembered after waking up. I'm going to give this a try again tonight and see what happens.