The dark night of the soul is a period of profound inner suffering marked by a loss of meaning, despair, and deep uncertainty about life and its purpose. The term comes from a 16th-century poem by St. John of the Cross, a Spanish mystic and poet who wrote about the painful passage people move through on their way toward a truer, more integrated self. Although the poem was religious in nature, it describes a universal, timeless human experience.

The dark night can be sparked by an external event, such as a devastating loss, a life-altering diagnosis, a rupture that knocks the ground out from under you.

Or it can arise from within, through a growing sense of "divine discontent," a milestone birthday, or the quiet but persistent feeling that the life you've been living no longer fits. Either way, it tends to involve a disorienting descent into unfamiliar inner territory.

It's often both—and the line between the two can be difficult to draw. The original concept, as St. John of the Cross described it, was explicitly spiritual: a painful purification on the path toward union with the divine.

But depth psychology, particularly through the work of Carl Jung, recognized the same experience as a profound psychological passage— what Jung called the "night sea journey." Jung saw the dark night as a descent into the unconscious where we come face to face with the shadow: the parts of ourselves we've long ignored, suppressed, or never fully known.

Many people experience the dark night as simultaneously spiritual (or existential) and psychological—a crisis of meaning that touches identity, faith, purpose, and the deepest sense of who they are. This is one reason why the most useful support tends to honor all dimensions that feel relevant for the individual.

The dark night of the soul and depression can look similar on the surface. They can also coexist. This is why it's important to assess for both. Both can involve profound sadness, withdrawal, loss of motivation, and a sense that life has lost its color.

The key distinction is that the dark night carries a specifically existential and often spiritual dimension: a collapse of meaning, a dissolution of identity, a sense that something needs to fundamentally change at the root.

Depression can arise from a range of biological, psychological, systemic, trauma-based, and relational factors and may not have the same quality of purposeful descent.

The dark night—even when it coexists with depression—is not only a painful state. It is also an initiatory one, with its own direction and potential for transformation.

This is one reason why the right kind of support matters so much: you need someone who can hold both the difficulty and the deeper meaning of what you're moving through, without rushing you toward the light before you're ready.

The dark night tends to announce itself through a cluster of experiences that go beyond ordinary difficulty. These can include a pervasive sense of meaninglessness or emptiness, a loss of connection to things that once brought joy or purpose, a feeling that the identity or life you've built no longer fits, grief or despair that feels difficult to name or explain, spiritual disorientation or a crisis of faith, and a sense of being suspended between one way of being and another—of not yet knowing who you are becoming.

It can also show up in the body: as exhaustion, heaviness, a loss of vitality. The mythic traditions that have mapped this experience—from Persephone's descent into the underworld to Inanna's passage through the seven gates—understood the dark night as a full-body, full-soul experience, not just a mental or emotional one.