Why Do Our Fingers Curl Inward While Sleeping?

Many of us have photos taken by someone else while we were sleeping. If you paid attention to these photos, there is one thing that is the same in all of them; Our fingers are curled towards the palm.

Indeed, why do our fingers change shape throughout the day? When we go to sleep, it gently curls inwards? Let’s explain the scientific explanation.

Let’s start from the basics. What is inside our fingers that we cannot do anything without?

Our fingers are quite dexterous, but they have no muscles inside them. Movement of fingers, hands and arms other muscles Checking. We explained this issue in more detail in another content. Those who are curious can look at it below.

Let’s get back to our topic. The movements of our fingers are under the control of muscles, and no matter what movement we make, these muscles must contract and relax. Our fingers are constantly it contracts and relaxes. Think about what you do with your fingers even in a day. We cannot finish counting them.

So why do our fingers curl inwards while we sleep?

Muscle contraction occurs when an electrical stimulus comes from the nerves connected to the muscles. In this situation muscle fiber shortens and we call this “contraction”. We can also say that when the muscle contracts, it pulls the bone and “movement” occurs.

When we do not move, that is, when there is no electrical stimulation, in short, when we sleep, our muscle fibers release themselves. All the muscles in our palm and forearm relaxation mode opens. Our brain does not send electrical stimulation to the muscles except for small movements made during sleep.

In short, since we do not feel much during sleep and our body goes into relaxation mode, the joints move to their natural positions and when the muscles relax, our fingers relax. automatically folds towards the palms.

If you want to get more interesting information about your body: