Explore the Subconscious With Sensory Deprivation Tank
Explore the Subconscious With Sensory Deprivation Tank

Explore the Subconscious With Sensory Deprivation Tank

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What is a sensory deprivation tank? Sensory deprivation tank is a form of limited environmental stimulation therapy, which is therapy carried out by floating in a tank filled with salt water.

This therapy is said to make the user explore his subconscious, so the effect will vary from person to person.

What exactly is this saltwater tank? Is this another popular type of pseudoscience? Dangerous or not?

Check out the full article below.

Explore the subconscious with a sensory deprivation tank

Sensory deprivation tank, or it can be called a floatation tank, is a tank filled with sound and light-proof brine.

The salt included is not just any salt, but Epsom salt, aka magnesium sulfate, which in large quantities in the water can make us float easily.

A person who enters this tank usually wears minimal or unclothed clothing and is restricted from all kinds of external stimuli, including sound, light, and gravity.

As soon as you enter the tank containing hundreds of kilograms of Epsom saline water, the tank door will close and you will float in silence and darkness, allowing the brain to enter a deeply relaxed state.

This tank was first designed by John C. Lilly in 1954, a US neurologist who used it to study the origin of consciousness by limiting all external stimuli.

This controversial research made a lot of public in the 1960s.

When he started experimenting with sensory deprivation under the effects of Lysergic Acid Diethylamide, a hallucinogen, and ketamine, a fast-acting sedative that can cause trance conditions.

In the 1970s, commercial float tanks were created and studied for their health benefits.

Now, you can easily find floating tanks all over the world because this therapy can also be found in spas.

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This is how the sensory deprivation tank works

Although the process can be different in each floating center or spa, in general the use of this tank goes through the following process:

  • Arrive at a floating center or spa with floating tank facilities
  • The user takes off part or all of his clothes and jewelry
  • The user enters the tank and closes the tank door
  • Then lie down slowly and let the body float on its own
  • Music is then played for ten minutes at the start of the session to relax the user
  • The user floats for an hour
  • Music is played again during the last five minutes of the session
  • The user leaves the tank at the end of the session and takes a shower to wash off the crystallized salt and return to dressing

Is this considered scary and dangerous?

To imagine yourself floating in the dark, alone, on water, isn’t that terrifying and dangerous?

The floating tank usually has two types of tanks.

The size of the first tank can be one medium room with high ceilings, it can be used for users with claustrophobia.

Then the second tank is a normal tank which is smaller in size, usually an arm wide and half the height of an adult.

The water is only about twenty-five inches high, and your eyes are so salty and sore that you will wake up if you fall asleep or roll over. So there’s no risk of drowning.

There is a case of a user who is immersed in a floatation history because someone uses a float tank while under the influence of ketamine, so that his body is temporarily paralyzed.

Generally sensory deprivation tanks are safe to use, but you should consult your doctor before trying this therapy if you have any medical conditions.

Benefits of sensory deprivation

Floating tank therapy is believed to have several effects on the brain, from hallucinations to increased creativity.

Based on a number of studies that have studied this therapy, users can get many benefits, including:

  • Generates feelings of euphoria, optimism, and inner peace
  • Increase imagination, intuition and originality which leads to creativity
  • Increase focus and concentration and a clearer thought process
  • Accelerates healing after intense training and athlete competition
  • Relieves symptoms of depression
  • Reduces anxiety and improves good mood in stressed users
  • Relieves a number of pains such as headaches, muscle aches, stiffness in the neck, and other pain related to stress

Some confessions from those who have tried

From the various studies that have been conducted regarding the benefits of therapy with a floating tank, it is evident that most people who have tried it can experience significant effects.

But not only that, their experiences are also diverse.

There are those who claim that their skin is smoother after soaking and some have experienced pain in several parts of their body.

Some people who are more sensitive may even experience some kind of our soul out of body experience, such as lucid dreams.

There are even people who cannot speak for a while after the session is over and can only laugh out loud.

In the past, floating tank therapy was used by drug addicts, those interested in science, and people who wanted to sharpen disc crystals.

Now, as one of the inventions of modern times, floating tanks are increasingly being accessed and many people do it as a form of healing.

Some famous people who have tried this therapy include Richard Feynman, a quantum physicist, singer John Lennon who treated his heroin addiction, soccer athlete Carl Lawson for muscle recovery, and many more.

If you are interested, the cost of one therapy session at this spa or floating center ranges from $ 49 to $ 100, depending on the location.


When used properly, sensory deprivation tanks can relieve stress and relieve muscle tension and soreness.

In many cases, this therapy can also improve mood. However, although many studies have proven its benefits, more research on this therapy still needs to be done.

How, interested in trying? Also try, another exciting experience to dive into Knowledge Information through my unique and interesting articles only here.

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