Most of what shapes a psilocybin experience happens before the session starts. Your state of mind, your reasons for coming, your health and the setting all play a part. This article covers how to prepare in the weeks before, what the session itself can feel like, and why the weeks after matter just as much.
Preparation means getting your mind, body and plans ready before you arrive. Researchers call this "set and setting": set is your inner state, including mood, expectations and intentions; setting is the place, the people and the support around you. Both shape the experience, so a good program works on both in the weeks before.
Psilocybin tends to amplify what you bring with you. If you arrive anxious, that anxiety can feel louder. If you arrive open and steady, that openness can deepen. Preparation won't make the experience predictable, but it gives you your bearings.
An intention is a short, honest answer to why you are coming. Write down what you hope to explore, what feels stuck, and what you are worried about. You don't need a perfect answer. Research suggests a clear intention shapes how first-time participants experience a session, and facilitators will work through it with you.
Questions worth sitting with:
Aim to arrive as steady as you can. Keep up whatever helps you feel calm, such as sleep, exercise, time outside, journaling or meditation. Take care of urgent practical worries before you travel so they don't come with you into the room. Follow the program's guidance on eating and drinking on the day.
If something big happens in your life in the weeks before your retreat, tell the team. Timing matters, and moving to a later date is sometimes the right call.
Some medications, including some antidepressants and heart medications, can affect whether a psilocybin retreat is right for you. Never stop or change a medication on your own. List everything you take when you apply, and the team will go through it with you in your suitability consultation.
If you take an antidepressant, apply anyway. Some guests are approved on the condition that they first talk with their own prescriber, followed by a second suitability consultation with Beckley. Psilocybin isn't suitable for everyone, which is why screening comes first.
Clinical trials are studying psilocybin for conditions such as depression and PTSD. That research takes place in clinical settings, and a retreat is not a treatment.
Most sessions follow three stages. Effects build over the first hour, are strongest a few hours in, and then ease off gradually over several more hours. People often describe changes in how they see, feel and think, and a looser sense of time. Every session is different, even for the same person.
The onset. The first changes can feel like nervous excitement: tingling, warmth or coolness, awareness of your breath or heartbeat. This is normal and passes. Breathing slowly and letting the sensations move through you, rather than fighting them, usually helps the experience settle.
The strongest part. Colors and patterns may become vivid, especially with your eyes closed. Thoughts can feel more connected and less linear, and minutes can feel like hours. Some people feel a temporary loosening of their usual sense of self, others feel strong emotion, tears or laughter, and some simply rest.
Coming down. Effects fade slowly and thinking becomes more ordinary again. Many people feel tired, calm and reflective. Researchers describe a period of clarity in the days after, sometimes called the afterglow, which is a good time to begin integration.
Difficult moments can happen, even with good preparation: fear, grief or old memories can surface. These moments aren't a sign that something has gone wrong. Your facilitators are with you throughout and can help you ground yourself by opening your eyes, breathing, feeling your body or focusing on the music.
Many people later describe a difficult stretch as meaningful. A screened, supervised setting is what makes it safe to stay with those moments instead of trying to escape them.
Pack for comfort and quiet. Bring loose, comfortable layers, a journal and pen, any medications you have discussed with the team, and anything that helps you rest, such as an eye mask or a familiar sweater. Your pre-retreat information covers what each venue provides and anything specific to bring.
The session lasts hours. Integration is how what came up becomes part of daily life. That might mean journaling, talking it through in a group, time in nature, or small changes to routines and relationships. Without it, even a powerful experience can fade into an interesting memory.
Every Beckley guest starts with screening and a suitability consultation. Preparation runs online for four weeks before the retreat, at your own pace, one to two hours a week, with a 1:1 session and two group sessions. On retreat there are two guided sessions, each about six hours, with at least one facilitator for every four guests. Integration continues online for six weeks afterward, with group sessions and a 1:1. To see how the program works, start with our program.
Before you apply
Beckley runs legal, guided psilocybin retreats in Jamaica and psilocybin retreats in the Netherlands: four weeks of preparation, two guided sessions on retreat, six weeks of integration, online and at your own pace, one to two hours a week. Plain answers to the questions people ask first:
What a psilocybin retreat costs · What happens, day by day · Jamaica or the Netherlands · Who should not attend · What research shows about lasting change · Apply