How to get up easily in the morning

One of my major problems is to get up from bed. If I don't have any appointment in the morning, easily i could sleep until midday. I keep on saying to myself: "One minute more..." till I realize it's very late and I'm wasting my day. Some time ago things start to go better. I started to follow some diet tips from Anthony Robbins' book Unlimited Power. Basically i began to eat better. Due to some energy the diet was giving me and the first excitement, I began to wake up earlier in the morning, and jump out of the bed not so late. Anyway during the last week I started to sleep again 'till late. I figured out that it could be related to my diet in the previous days, 'cause I'm not following it strictly. But this made no sense to me, 'cause apparently there was no relation to the days I ate bad and the mornings I felt more tired. ...