Float Tanks & Sensory Deprivation: The Quietest Room in the Universe 🛁✨
Imagine a place where gravity loosens its grip, sound disappears, light fades away, and your nervous system finally exhales. That is the experience of a float tank, also known as sensory deprivation therapy or float therapy.
Inside a float tank, the outside world becomes very quiet. And when that happens, the inside world becomes much easier to hear.
I had my first session a couple of weeks ago. I wasn’t really sure what to expected. It was one of the best experiences I have had. It was so relaxing, I even fell asleep. A time for my mind to completely shut down and just let everything go. I will be having more sessions.
What a Float Tank Actually Is
A float tank is a large, enclosed pod or room filled with about 25–30 cm of warm water mixed with hundreds of kilograms of Epsom salt (magnesium sulfate). I went to City Cave in Maitland, and it was a tiled bath.
The salt makes the water incredibly dense, which means you float effortlessly on the surface, almost like drifting on the Dead Sea.
Key features:
Water is heated to skin temperature (about 34–35°C) so you can’t feel where your body ends and the water begins
The tank is lightproof and soundproof
Most people float for about 60 minutes
You simply lie back and float. No effort required. The salt holds you up like invisible hands.
What Sensory Deprivation Means
In daily life your brain processes millions of pieces of information every second.
Light
Noise
Temperature
Gravity
Movement
Screens
Conversations
Stress
In a float tank, almost all of that input disappears.
Your brain suddenly gets a break from:
visual stimulation
sound
pressure from gravity
temperature differences
With less sensory input, the brain shifts toward deep relaxation and altered states of awareness.
Many people describe it as:
meditation without effort
dreamlike thinking
deep body relaxation
mental clarity
Some even say it feels like floating in space.
The Physical Benefits
Float therapy has become increasingly popular in sports recovery, stress reduction, and pain management.
Muscle recovery and pain relief
The high levels of magnesium sulfate in Epsom salts can help:
relax muscles
reduce inflammation
ease joint stiffness
Athletes often use float tanks for post-training recovery.
Nervous system regulation
One of the most powerful effects is on the parasympathetic nervous system, the part responsible for rest and healing.
Floating can:
lower cortisol (stress hormone)
reduce blood pressure
slow heart rate
calm the nervous system
People who experience burnout, anxiety, or chronic stress often find floating deeply restorative.
Better sleep
After floating, many people report:
deeper sleep
falling asleep faster
fewer night wakings
This is likely due to the combination of nervous system relaxation and magnesium absorption.
Pain and chronic conditions
Research suggests floating may help with:
migraines
fibromyalgia
chronic back pain
arthritis
tension headaches
The reason is simple: your body finally stops fighting gravity. When you float, your muscles no longer need to hold you up.
The Mental and Emotional Benefits
Float tanks are also powerful tools for mental clarity and emotional processing. When sensory input quiets down, the mind often becomes surprisingly spacious.
People report:
clearer thinking
creative ideas
emotional insights
deeper meditation states
It is almost like giving your brain a reset button.
Creativity and problem solving
Many writers, artists, and entrepreneurs use float tanks because the brain often shifts into theta brainwave states.
These are the same brainwaves associated with:
dreaming
deep meditation
creativity
Ideas often appear when the mind is relaxed rather than trying too hard.
Emotional processing
Without distractions, thoughts and emotions sometimes surface gently.
This can help with:
reflection
self-awareness
processing feelings
For people doing therapy or personal growth work, floating can create space for insight.
What It Feels Like During a Float
The first 10 minutes usually involve adjusting. Your brain might still be buzzing with thoughts.
Then gradually: Your breathing slows. Your body becomes heavy and relaxed. Your mind drifts.
Many people reach a point where it feels like:
the body disappears
time becomes fuzzy
thoughts become dreamlike
Some people even briefly fall asleep. Others remain in a deep meditative state.
Who Benefits the Most
Float therapy can be especially helpful for people who:
feel constantly overstimulated
struggle with anxiety or stress
want deeper meditation experiences
experience chronic pain
need creative space
have trouble relaxing
For someone doing deep self-reflection or emotional work, floating can feel like stepping into a quiet inner sanctuary.
Situations Where Floating Might Not Be Ideal
Float therapy is generally safe, but some people may want to avoid or delay it if they have:
severe claustrophobia
open wounds or skin infections
certain ear conditions
Pregnant women often float safely but should check with their doctor first.
An Unexpected Benefit: Relearning Stillness
Modern life is loud. Phones buzz. Screens glow. Notifications chase our attention.
A float tank is one of the few places where nothing is asking anything from you. No productivity. No conversation. No expectations. Just water, breath, and silence.
And sometimes that silence becomes the most restorative medicine of all. 🌙