Freefall: Lying on your stomach with hands up around the pillow and head turned to one side. Personality: Freefallers appear nervy, people who take criticism personally.

The Fetus: Curled up on your side. This is the most common sleeping position, adopted by 41 percent of the 1,000 people who took part in Professor Idzikowski's survey. Personality: Those who sleep in the fetus are described as tough on the outside, but shy and sensitive at heart. They may take time to warm up to people, but soon relax. <--- I do like a in between Fetus and Log, what does that make me hahha?

The Log: Lying on your side with both arms down by your side. Personality: Log sleepers are social, easygoing people.

The Yearner: On your side with both arms out in front. Personality: Yearners are open to new things, but also suspicious and cynical.

The Soldier: Lying on your back with both arms at your sides. Personality: Soldier sleepers are generally quiet and reserved.

The Starfish: Lying on your back with both arms up. Personality: Starfish sleepers are described as great listeners and thus good friends.

from:Menshealth.com