The researcher Chris Idzikowsky, a coordinator at the dream institute in the United Kingdom, has studied the six most common postures that humans use during sleep. The conclusions of the investigation have revealed that each position is associated with a particular personality profile.

This study complements another study that analyzed the position in which we sleep with our partner and what it tells us about the quality of the relationship. In this case, Idzikowsky picked up the correlations between sleeping in a particular position and personality traits.

Sleeping Posture And The Associated Personality

Fetal Position

People who sleep in the position of the fetus are usually to give a social image of confident and hard people but are, in fact, sensitive.

People can be shy when they do not know the people around them, but they quickly become disinhibited and like to express themselves without taboos. This position is the most observed in the study since more than 40% of the 1,000 participants in the research adopt it to sleep.

On Trunk

This position, which was observed in 15% of the subjects, consists of sleeping on one side, but with the arms and legs stretched, forming the body a rigid post.

People who adopt this position are certainly sociable and like to be part of social circles. They are confident even with strangers and maybe too naive.


Very similar to the trunk posture, but with the arms extended forward. People who sleep in this position tend to be more open and sociable.

In turn, they are hesitant when deciding on their life, and can be cynical. 13% of the participants slept in this way.


Face up, stretched.

These people are quiet and reserved. They are also demanding and have great aspirations. 8% of the participants slept with the soldier’s posture.

Face Down

These are people who feel very comfortable talking and sharing with others, and with a high dose of openness to new experiences. They represented 7% of the sample.

It is also true that they have a tendency to be more susceptible and uneasy than usual. They do not accept criticism or extreme situations.


Very loyal people, always willing to listen to others, and offer their collaboration. They do not like being the center of attention, they are quite cautious and thoughtful.

It was 5% of the total participants who slept like this; the least repeated posture

Other Observations Of The Study

Beyond considerations about personality linked to the position we adopt to sleep, Idzikowsky also reached certain conclusions associated with health:

The upside-down posture allows for better digestion.

The positions of soldier and starfish cause difficulties in ventilation, causing snoring and a bad rest.

The researcher also pointed out that changing the position in which we sleep is complicated since custom dictates our preference at the moment of rest. Only 5% of the people who participated in the investigation reported sleeping in different positions every night.



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