Post-traumatic stress disorder is something most people have heard of, but fewer people understand what it is actually like to live with — including, sometimes, the people experiencing it.
PTSD is not just being upset about something that happened. It is a physiological response, rooted in how the nervous system stores and reactivates traumatic memory. Understanding what is actually happening can make the experience feel less frightening and more workable.
Flashbacks: More Than a Memory
A flashback is not quite the same as remembering something. In a flashback, your nervous system does not know the event is in the past — it responds as if it is happening now. You might see images, hear sounds, feel sensations in your body, or experience an overwhelming flood of emotion that seems disconnected from what is happening around you.
Flashbacks can be triggered by something obvious — a sound, a smell, a location — or by something that does not seem connected to the original experience at all. They can last seconds or much longer, and they can leave you feeling disoriented, exhausted, or deeply ashamed.
Nightmares and Sleep Disruption
Many people with PTSD struggle with sleep — either difficulty falling asleep due to hypervigilance, or recurrent nightmares that replay or symbolize the trauma. Over time, the anticipation of nightmares can itself create dread around going to bed, compounding the exhaustion that often accompanies PTSD.
Triggers and Hypervigilance
Triggers are cues that remind the nervous system of the original traumatic experience. They can be sensory (a particular smell, sound, or visual), situational (a certain type of person or place), or emotional (a feeling that resembles what was present during the trauma). When triggered, the body’s threat response activates — heart rate increases, muscles tighten, breath becomes shallow — even in situations that are objectively safe.
Hypervigilance — the persistent sense of being on guard, scanning for danger — is exhausting to live with. It can make ordinary environments feel overwhelming, and it often affects concentration, relationships, and the ability to relax.
What Helps
PTSD responds well to treatment — particularly trauma-focused approaches like EMDR, somatic therapy, and trauma-informed cognitive behavioural therapy. The goal is not to erase what happened, but to help the nervous system finish processing the experience so it no longer lives in the present tense.
Recovery is possible. Many people with PTSD go on to find that the healing process, while hard, ultimately deepens their understanding of themselves and what they are capable of carrying.
If you’re living with PTSD and ready to find support, please know you don’t have to carry this alone. Madeleine Sullivan offers trauma-informed counselling — including EMDR — in Victoria, BC and online throughout British Columbia. Book a free 30-minute consultation to begin.