What is WZMOCNIA?

A mobile unit with two rooms of silence and darkness.

It stands next to the hotel. A guest goes in alone — for 1, 2 or 3 hours.

Daylight visualization of the WZMOCNIA mobile unit, with two reclining chairs and a central entrance.

What it is

In short

WZMOCNIA in four sentences

  1. The unit stands next to the hotel.Two rooms of silence and darkness.
  2. A guest buys a ticket.1, 2 or 3 hours. The ticket revenue stays with the hotel.
  3. The hotel finances the unit.Lease or loan. 0% down payment.
  4. NIHILI does the rest.Delivers, services, brings customers. Guarantees a buy-back.

Where does it stand?

Next to the hotel. No foundations.

Visualisation: the WZMOCNIA unit in a hotel garden beside the pool, at sunset
  • Leaves without dismantlingarrives ready and stands on supports
  • 13.7 × 2.55 mdimensions of the set
  • approx. 14 × 3 mspace needed — with access, on load-bearing ground

What does the guest do?

  1. Books1, 2 or 3 hours
  2. Goes in alonethe phone stays outside the door
  3. Stays in silence and darknessin an armchair, at their own pace

They can leave at any moment.

Visualisation: inside a WZMOCNIA Room — a woman in dark clothes resting in an armchair with her eyes closed, in dim light

What is inside?

  • Silencea quietened interior
  • Armchairzero-gravity position
  • Darknessthe guest sets it themselves
  • MetaRoptional: spatial acoustics, a narrator and an online specialist

No cameras and no recordings.

A stay without audio or guidance is also available.

Is the guest alone?

Alone or with guidance.

  • AloneSilence and darkness. No programme.
  • With a narratorA narrator’s voice guides the stay. Eight programmes to choose from.
  • With a specialistThe specialist connects online. Voice only.

How do we know it makes sense?

Silence and darkness have their own science.

Research · Chamber-REST · 2025

Three hours without stimuli. Researchers measured it.

One stay in a dark, sound-attenuated room — and a measurement a week later, compared with a group that spent the same three hours in an ordinary room with a phone. We say plainly what this means for WZMOCNIA — including what the studies did not show.

  • 2 studies · 2025
  • n = 180 and 116
  • 1 stay · 3 h
  • control group
See the conclusions for WZMOCNIA
Information overload1–10 · lower = less
beforeafter6.976.566.96.0
  • Chamber-REST
  • Control group

● group difference significant · p < 0.001

Own chart based on Table 1: Bartolen and Soláriková (2025), BMC Psychology 13, 796.

Perceived stressPSS 0–40 · lower = less
beforeafter19.519.419.417.2
  • Chamber-REST
  • Control group

● group difference significant · p = 0.030

Own chart based on Table 1: Bartolen and Soláriková (2025), BMC Psychology 13, 796.

After the stay: this is where the groups differed
  • Curiosity towards experience · scale 0–24 · p < 0.001

    15.7
    8.3
  • Distance from experience (decentering) · scale 0–28 · p < 0.001

    14.2
    9.7
  • Satisfaction with the stay · scale 1–10 · no difference

    7.9
    7.9
  • Chamber-REST
  • Control group

State mindfulness (Toronto Mindfulness Scale) measured after three hours; satisfaction with the stay (1–10) for comparison. 58 people per group.

Own chart based on Table 1: Soláriková and Bartolen (2025), Acta Psychologica 253, 104697.

MindfulnessMAAS 15–90 · higher = more
beforeafter54.153.256.453.5
  • Chamber-REST
  • Control group

○ group difference not significant · p = 0.068

Own chart based on Table 1: Bartolen and Soláriková (2025), BMC Psychology 13, 796.

Sleep quality1–10 · higher = better
beforeafter6.86.87.16.9
  • Chamber-REST
  • Control group

○ group difference not significant · p = 0.301

Own chart based on Table 1: Bartolen and Soláriková (2025), BMC Psychology 13, 796.

RuminationRRQ 12–60 · lower = less
beforeafter43.543.141.341.1
  • Chamber-REST
  • Control group

○ group difference not significant · p = 0.842

Own chart based on Table 1: Bartolen and Soláriková (2025), BMC Psychology 13, 796.

State anxietySTAI · lower = less
beforeafter44.844.538.337.1
  • Chamber-REST
  • Control group

○ no group difference after the stay · p = 0.309

Own chart based on Tables 1 and 2: Soláriková and Bartolen (2025), Acta Psychologica 253, 104697.

HRVlog RMSSD · higher = more
beforeafter1.5151.5011.7111.66
  • Chamber-REST
  • Control group

○ no group difference after the stay · p = 0.207

Own chart based on Tables 1 and 2: Soláriková and Bartolen (2025), Acta Psychologica 253, 104697.

Bartolen and Soláriková, BMC Psychology 13, 796 (2025); Soláriková and Bartolen, Acta Psychologica 253, 104697 (2025). Own charts from data in the articles' tables. The Chamber-REST laboratory was studied, not the WZMOCNIA Room.

Potential changes

What might change over time?

The strongest potential changes after a series of sessions

One session may bring a moment of relief. A series creates space for regular rest and practice between sessions.

Well-being, self-awareness and everyday habits.

  1. How we know:
    Studied after one stay
    What it depends on:
    The stay itself
    After one session
    Relief from excess stimulation and more mental space.
    After a seriesweeks–months
    Feeling less overwhelmed in everyday life.

Possible effects depend on the person and the type of session. These are potential directions of change, not guaranteed outcomes.

See the complete overview →

For the hotel

What does the hotel gain?

  1. A new paid servicetickets for 1, 2 or 3 hours
  2. A building block for stay packagesa night with sessions, a session package, business stays
  3. New customersNIHILI directs them to the hotel

Hotel guests · Business hire · Outside guests

Where do customers come from?

NIHILI directs customers to the hotel.

  • Hotel guests

    1. A guest buys a ticket
    2. Hotel: 100% of the ticket revenue
    3. Access to the unit
  • Charters

    1. NIHILI wins the orders
    2. Employers
    3. The unit comes to the organisation

    Science parks · Office campuses · Industrial and logistics parks · Economic zones · Employer clusters and chambers · Large companies

  • Specialists

    1. NIHILI: accreditation, training, support
    2. Specialists
    3. Session booking

    Psychotherapists · Psychiatrists · Development trainers · Coaches · Other specialists

Partnership

How does the partnership work?

The hotel finances the unit and sells tickets. NIHILI delivers, services and brings customers.

Hotel

lessee

finances

two rooms of silence and darkness

delivers and services

NIHILI

supplier

Who does what?

Hotel

  • Provides the spaceapprox. 14 × 3 m, with access, on load-bearing ground
  • Looks after guestsbooking, access, preparing the room
  • Bills guestsin its own system, as it does today

NIHILI

  • Delivers and commissionstrains reception
  • Servicesevery week, an inspection every year, support in case of failure
  • Provides the toolsbooking platform, narrator programmes, materials
  • Brings customerscompanies, specialists, customers from wzmocnia.pl

The hotel has one account manager at NIHILI.

Money

What is a charter?

The unit goes to a company. The hotel gets paid.

  1. A company ordersthrough NIHILI, for 4 or 11 days
  2. The hotel accepts the dateeach trip separately
  3. NIHILI takes the unittransport, operation and service are on NIHILI’s side
  4. The hotel gets paidfor the whole time the unit is away
Visualisation: the WZMOCNIA unit with a tractor unit

The hotel decides about every trip.

A charter requires the financier’s consent, set out in the contract. The rate is given in the offer prepared for the hotel.

Sessions and inventions

Who leads the sessions?

The same room. Leaders always online.

SessionWho leadsAccording to

WZMOCNIA

The stay alone, or a narrator’s voice — eight programmes to choose from.

the unit’s house rules

REST

Only specialists with professional credentials — including psychologists and psychotherapists — after accreditation.

a published REST protocol

INWARD

Development trainers and specialists — after NIHILI training.

the NIHILI protocol

SPECIALIST SESSIONS

Specialists and facilities after accreditation.

the specialist's own

The specialist leads every session online, by audio. Staff are available over the intercom during every session, and the client can stop at any moment. NIHILI does not provide medical services.

Five application cards in front of a map of Europe — WIPO ST 10/C PL457114, WIPO ST 10/C PL457115, WIPO ST 10/C PL457116, WIPO ST 10/C PL457117, WIPO ST 10/C PL457118

5 patent FILINGS for inventions

Polish inventions

The WZMOCNIA Room and its control are solutions developed in Poland by NIHILI P.S.A. Five of them have been filed for patent protection with the Patent Office of the Republic of Poland.

WZMOCNIA patents and know-how →

Getting started

How do we start?

With a site visit.

  1. Site visitwe check the space and the access
  2. Calculationlease or loan, mLeasing
  3. Contractwith the guarantee of a buy-back and a lease takeover
  4. Production6 months from order to delivery
  5. Deliverycommissioning, training and support
  6. Saleshotel guests, WZMOCNIA Charter business customers, customers from wzmocnia.pl

Who is behind it?

The WZMOCNIA unit is made by NIHILI P.S.A.

NIHILI · Our job

  1. Prepare and service the site well
  2. Provide the hotel with individual customers and business customers for charters
  3. Promote the brand dynamically
Company details — in the terms →

Let's talk about a location

A 45-minute conversation: which guests, where the unit could stand and how reception would handle it. On that basis we prepare a cost sheet and a financing calculation.

Let's talk about a location
WZMOCNIA at a hotel — site hosts