Nightmares — Why You Have Them and How to Stop
Nightmares are vivid, distressing dreams that wake you, usually driven by stress, anxiety, trauma, or disrupted sleep. They’re your mind’s alarm system — and while frightening, they often point to something real that needs attention.
| Symbol | Quick meaning |
|---|---|
| Being chased | Being chased is among the most common nightmare plots, and the dread builds because you never turn to look. The pursuer usually stands for something that grows more frightening the longer it is avoided. |
| Falling | A falling nightmare ends with the jolt that wakes you. The drop dramatises a fear that something is giving way beneath you — work, a relationship, your health — and the jolt is the body answering it. |
| A snake | When a snake turns a dream into a nightmare — striking, coiling round you, filling a room — the fear is usually of a betrayal or danger you sense close by but have not yet confronted while awake. |
| Drowning | Drowning nightmares, where you cannot breathe or reach the surface, mark overwhelm at its sharpest: pressure has outgrown what you can carry alone. They often ease once you ask someone for help. |
What causes nightmares
Common triggers include stress and anxiety, trauma (PTSD), poor sleep, certain medications, and late eating. Recurring nightmares like being chased or falling reflect unresolved fears. Techniques like imagery rehearsal therapy can reduce them — see our nightmares guide.
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What causes nightmares?
Nightmares are most often caused by stress, anxiety, trauma, disrupted sleep, certain medications, or eating late at night. They’re the mind’s way of processing fear and unresolved emotion, which is why they spike during difficult periods.
How do you stop nightmares?
Reducing stress, keeping a consistent sleep schedule, and a calming bedtime routine all help. For recurring nightmares, imagery rehearsal therapy — rewriting the dream’s ending while awake — is one of the most effective evidence-based techniques.