The Week After: A 7-Day Integration Checklist

If you had a psychedelic experience in the last few days and you are wondering what you are supposed to do now, the short answer is: less than you think, and more deliberately than you think. This 7-day integration checklist is built around one principle. The first week is not when you decide what the experience meant. It is when you protect your sleep, stabilise your body, capture the raw material before it fades, and make one small behavioural change instead of ten large ones.

Most people do the opposite. They come home flooded with insight, announce a career change on day two, tell nobody what actually happened, sleep badly for five nights, and by week three it has thinned out into a good story. Researchers have a name for the part they can measure: the afterglow, a period of elevated mood and openness that follows the acute experience and then recedes (Majić et al., 2015).

Integration has become a marketing word, which is a shame, because the underlying concept is specific. The most thorough review of the term to date defines it as a process in which a person revisits and actively engages in making sense of, working through, translating, and processing the content of their experience, and through intentional effort gradually incorporates the emergent lessons into their life (Bathje et al., 2022).

Two things follow. First, integration is active: waiting to feel different is not integration. Second, it has a time dimension, which is why a week is a useful unit. Seven days is long enough to see whether something is changing and short enough that you have not yet rewritten your memory of what happened.

Scope note: everything below is educational content for adults who have already had an experience. It is not preparation guidance, not a recommendation to use anything, and not clinical treatment.

Three reasons, in descending order of how well evidenced they are.

Your sleep is likely disturbed, and sleep is load-bearing. In a randomised, double-blind study of 20 healthy volunteers, psilocybin given during the day prolonged REM sleep latency, produced a trend toward reduced overall REM duration, and suppressed slow-wave activity in the first sleep cycle on the night of administration (Dudysová et al., 2020). Small study, healthy people, controlled conditions, so do not over-read it. But one disrupted night plus the adrenaline of a big experience is a reliable recipe for a bad week if you do not defend your sleep deliberately.

Late-onset effects are documented. A mixed-methods systematic review covering 44 studies and 598 patients in clinical settings found adverse events were often not systematically assessed, but that late adverse events included headaches, fatigue, low mood, and anxiety (Breeksema et al., 2022). Those were supervised contexts with screening and support. If you were not in one, you have less of a safety net, not more.

There may be a plasticity window, and the human evidence for it is weak. In mice, psychedelics reopened a developmental critical period for social reward learning, with the duration of the reopened window roughly proportional to the duration of the drug's acute effects in humans, from about 48 hours for ketamine to about three weeks for LSD (Nardou et al., 2023). That is a mouse study. It does not establish that a human has a fixed window for change, and anyone selling you a countdown clock is overstating it. Treat it as a reason to act early, not as a law of nature.

One task per day. If you only do three of these, do days 0, 2 and 5.

Day 0, the night after. Protect sleep and make no decisions. No alcohol, no late screens, no "one more conversation to process it." Eat something warm even if you are not hungry. Sleep will probably be shallow or delayed; plan for that rather than fighting it. Make zero consequential decisions: no messages to exes, no resignations, no large purchases, no announcements.

Day 1. Physiology first, meaning later. Water, protein, daylight, a short walk. Cancel what you can cancel. Expect emotional swings and treat them as expected rather than significant. One low-stakes contact with a person who knows what you did and will not interpret it for you. If nobody knows, this is the day to tell one trusted person the factual version.

Day 2. Capture, do not interpret. Write for twenty minutes in plain description. What happened, in what order, what your body did, what images appeared, what emotions arrived and when. Ban the words "meant", "symbolised", and "the universe". You are preserving evidence, not writing a verdict. Insight measured shortly after an experience tracks with later wellbeing outcomes, which is a reason to get it down accurately while it is still available (Peill et al., 2022).

Day 3. Return to routine and watch for the dip. Normal structure: usual wake time, usual work, usual meals. Day three is where the afterglow commonly thins and people mistake the return of ordinary mood for failure. It is not failure. Note whether you are sleeping, eating and functioning. If you are not, note that too, with dates.

Day 4. Name one theme, not ten. Read your day 2 notes and ask one question: what kept showing up? Not what was most dramatic, what was most repeated. Write one sentence. The honest theme is usually smaller and more boring than the dramatic one, and the boring one is usually the real one.

Day 5. Convert the theme into one if-then plan. This is the day that decides whether anything lasts. Turn your one theme into a specific plan shaped as "when X happens, I will do Y". Not "be more present with my kids" but "when I walk in the door, I leave my phone in the hallway drawer." A meta-analysis of 94 independent tests found implementation intentions of this form had a medium-to-large effect on goal attainment (d = .65) compared with goal intentions alone (Gollwitzer and Sheeran, 2006). That is general behaviour change research, not psychedelic research, so the transfer is an inference rather than a finding. It is still the best-supported tool available.

Day 6. Check the body and the relationships. Two questions. What is my body doing that it was not doing ten days ago (sleep, appetite, tension, energy)? And have I said or promised anything I need to walk back or clarify? Big experiences produce big statements. Cleaning those up on day 6 is much cheaper than on day 60.

Day 7. Review and decide about support. Reread everything and answer three questions honestly: is my baseline functioning back, is my one behaviour actually happening, and is there material here I cannot work with alone? The third is the important one. Deciding on day 7 that you want structured support is a normal outcome, not a sign that something went wrong.

There is no randomised controlled trial of a seven-day integration checklist. Nothing like it exists. What exists is a concept analysis of integration (Bathje et al., 2022), a survey of extended difficulties in 608 self-selected respondents that cannot establish causation and is subject to recall and selection bias (Evans et al., 2023), a systematic review of adverse events in clinical populations that repeatedly notes those events were poorly defined and probably underreported (Breeksema et al., 2022), one small sleep study in 20 healthy volunteers (Dudysová et al., 2020), an animal study (Nardou et al., 2023), and a behaviour change literature developed entirely outside this field (Gollwitzer and Sheeran, 2006).

So the structure above is an evidence-informed framework, not an evidence-based protocol. The components rest on reasonable support. The week-long sequence is a practical organising device drawn from coaching practice. Association is not causation, and none of the studies cited tested this checklist.

Difficulty after an experience is common. In the Evans et al. (2023) sample, problems persisted beyond a year for roughly a third of respondents and beyond three years for about a sixth. That sample was recruited from people already reporting difficulties, so it says nothing about frequency in the general population, but it does show the tail is real.

Green, keep going with self-directed integration: sleep returning toward baseline by day 3 to 5, appetite returning, able to work, emotional waves that pass within hours, curiosity about the material.

Amber, get a coach, a properly trained facilitator, or a therapist involved: sleep still disrupted after a week, persistent low mood, avoidance of the material, repeated intrusive replaying, unresolved relationship conflict, stuck in interpretation loops, a sense that something opened that you do not have tools for.

Red, contact licensed medical or psychiatric services now, not a coach: thoughts of harming yourself or anyone else, hearing or seeing things others do not while sober, persistent belief that reality or your identity is fundamentally altered, several consecutive nights without sleep, inability to care for yourself, feeling unsafe. Use your local emergency number or your country's official mental health crisis service. In an EU emergency that includes 112. Do not rely on a coach, a retreat organiser, or a group chat for a medical emergency.

On scope: I am a coach and harm-reduction educator, not a clinician. Coaching supports functioning people in making sense of and acting on their experience. It does not treat psychiatric conditions, does not diagnose, and does not replace psychotherapy or medical care. If someone in this field blurs that line with you, that is a reason to walk.

Legal status varies significantly across European countries and changes over time. Nothing here encourages illegal activity. Check your own jurisdiction's current law before making any decision.

How long does integration actually take? The first week is stabilisation and capture. Meaningful behavioural change is usually measured in months. Integration is described in the literature as a process that may take significant time and effort, without which insights tend to fade (Bathje et al., 2022). If someone promises you a finished process in one session, they are selling something.

I did not have a big experience. Do I still need this? Yes, and it is easier. A quiet experience still produces a week of altered sleep and mood, and the day 5 step is arguably more useful when you are not distracted by dramatic content.

I feel amazing. Why should I not make big changes now? Because elevated post-experience mood is time-limited (Majić et al., 2015), and decisions made inside it get evaluated outside it. If the insight is real, it will still be real on day 30. Write it down on day 5 and revisit it then.

Can I do this alone? Days 0 through 6, usually yes, if your baseline mental health is stable and at least one person knows what you did. Day 7 exists so you have a checkpoint for deciding whether alone is still working.

What if it has already been three weeks and I did none of this? Start at day 2. Write the plain description now, accepting that it is partly reconstructed, then go to day 4 and day 5. The sequence matters more than the calendar.

Is journalling really necessary? Something external is. Memory of these experiences reshapes fast. Writing is cheapest, voice notes work, the requirement is that it exists outside your head within 72 hours.

Before working with anyone, look honestly at your own risk profile. The free safety self-assessment at entheogen.expert/safety walks through contraindications, context, and support factors in a few minutes and gives you something concrete to bring to a conversation, whether that is with me, with a therapist, or with your doctor.

If you want to know who is behind this, my story is here. If you want structured integration support, the services page explains what that involves and what it does not.

Author: Vladislav Andreev, Certified Psychedelic Coach (Psychedelic Coaching Institute), harm-reduction educator and mental health educator based in Barcelona. He works in coaching and education only, provides no substances, and does not offer medical advice, diagnosis, or psychotherapy.

Reviewed for scope: Vladislav Andreev, September 2026. Independent scientific and clinical review pending.

Last reviewed: 21 September 2026. Next scheduled review: March 2027.

Educational content only. This is not medical advice, therapy, or a clinical diagnosis, and it does not encourage illegal activity. It exists to reduce risk for adults making their own decisions. Reviewed for scope by Vladislav Andreev, Certified Psychedelic Coach (Psychedelic Coaching Institute), harm-reduction educator, Barcelona.