Derealization: why anxiety makes nothing feel real

Anxiety causes derealization because when your threat system is pushed very high, your brain turns down how strongly you feel emotions and body signals, making the world feel foggy, flat, or dreamlike. It eases as your alarm system settles.

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What happens in your body

Derealization is the feeling that the world around you is unreal: foggy, flat, far away, dreamlike, like a film or a video game, or behind glass. It often shows up alongside depersonalization, the related feeling of being detached from yourself, like watching yourself from outside or moving on autopilot.

When your body senses danger, it shifts into alert mode, which is built for running from a threat rather than taking in your surroundings calmly. Intense anxiety, panic, exhaustion, or lack of sleep can push this threat system very high.

To help you keep functioning when your system is overwhelmed, your brain turns down the volume on incoming feelings and body signals, like a protective dimmer switch. That dulling response is what makes a familiar room suddenly seem muted and artificial.

Why feeling unreal seems so scary

When the room around you looks flat or distant, it is normal to wonder if your brain is breaking. People experiencing derealization recognize that the feeling is unreal. That awareness is the key difference from psychosis, where a person loses track of what is real. Worrying "am I losing my mind?" is usually a sign that your reality testing is intact.

Brief episodes of feeling unreal are common during high stress. Although the sensation is deeply unsettling, it is not dangerous and it does not cause lasting damage to your brain or body.

Why the feeling lingers

After weeks of anxiety, your body can stop switching smoothly between rest mode and alert mode and stay stuck in alert mode. Because your body holds onto that defensive state, derealization can show up even on days when you do not feel consciously anxious.

Once you notice the strange sensation, fear of the feeling often keeps it going. Repeatedly checking in with yourself to ask "do I still feel unreal?" keeps your attention locked inward on the symptom, which tells your brain there is still an emergency and keeps the alarm high.

Attention on concrete, pleasant sensation in the room around you is the opposite of a panic spiral. Bringing your focus outward to specific sights, sounds, and physical touch gives your brain clear information that you are here and safe, and daily practice over weeks trains your body to settle out of alert mode.

Try the Orienting practice right now

With your eyes open, name 3 things you can see around you and really notice their details.
Tune into 2 specific sounds you can hear in your environment.
Notice the physical sensation of where your feet touch the ground.
Notice the space behind you, above you, to the sides, and beneath you, and allow your body to relax 10% more.

Play Orienting 3 min

When to check with a doctor

The unreal feeling is there most of the day, most days, for weeks or months.
You see or hear things that other people do not, or you feel that your thoughts are being controlled.
The episodes started after a head injury, a seizure, or starting a new medicine.
The feeling started after using cannabis or other drugs and has not faded.
You feel hopeless or have thoughts of harming yourself (in the US call or text 988, in the UK and Ireland call Samaritans on 116 123, or call emergency services).

Practice with the Stateshift app

Common questions

What is the difference between derealization and depersonalization?

Derealization changes how your surroundings seem, making people, objects, or rooms look flat, distant, or behind glass. Depersonalization changes how you experience yourself, making your own voice, body, or actions feel detached, as if you are watching from the outside. They are two sides of the same protective response and frequently happen at the same time.

Why do I feel derealization when I am just tired?

Exhaustion and lack of sleep strain your nervous system in much the same way emotional stress does, pushing your threat system higher. When you are overtired on top of weeks of alert mode, your brain is quicker to dull incoming sensory and emotional signals so you can keep going. Catching up on rest helps lower that baseline load on your body.

How long does derealization last?

Passing episodes triggered by acute anxiety or tiredness often fade once the immediate stress passes and your alarm system settles. The feeling lasts longer when checking on the symptom keeps your threat level elevated day after day. When it is present most of the time for weeks or months, it can be depersonalization-derealization disorder, which is treatable, mainly with talking therapy.

Does trying to fight derealization make it worse?

Struggling against the sensation, or staring at objects to test whether they look normal, treats the feeling like a threat. That effort adds tension. Letting the strange feeling be there while you gently engage with ordinary sensory tasks allows your alarm system to quiet down on its own.