Get a second opinionabout your mental health

Understand what may be affecting your mental health and what options could be worth exploring next.

18+ · Educational information, not medical advice

What brings you here?

People usually arrivewith one of these

  • Low mood or loss of interest
  • Anxiety or difficulty switching off
  • Exhaustion or burnout
  • Sleep that is poor or not restorative
  • Problems with attention, motivation or clarity
  • A treatment that is not helping enough
  • Looking for information for someone you care about

The questionnaire takes a few minutes, one question at a time.
It is educational, it does not diagnose you and does not replace a consultation.

Prototype — use sample details only. Nothing is saved or emailed.

Before you begin

Are you 18 or older?

What the guide covers

Mental Health Guidein plain language

Everyday approaches

Sleep, routine, movement, alcohol and stress load — what tends to help, and what to expect from it.

Professional support

Therapy, medication reviews, physical-health checks and specialist care — what each is for, and when to ask.

Evidence and limitations

What the research does and does not show, so you can weigh options without overpromising.

Dr Alexander Lebedev in his clinic
The person behind the test

Dr Alexander Lebedev, MD, PhD

Psychiatrist and neuroscientist. Leadership and teaching roles at European universities. 21 years of clinical practice. 300+ published papers.

About ONCE

A clearer viewof what to do next

ONCE is a professionally supported programme in Amsterdam.
If you want to learn about our approach before or after test, visit our main page.