(HealthDay News) -- Nightmares can cause poor sleep and anxiety, triggering health problems.
The U.S. National Library of Medicine says the following factors can contribute to nightmares:
- Eating just before bed, which can increase brain activity.
- Any anxiety or stress.
- Any major life event, including the death of a loved one.
- Illness, including fever.
- An adverse reaction, side effect or withdrawal from a drug.
- Alcohol withdrawal, or excessive alcohol consumption.
- Breathing disorders, including sleep apnea.
- Sleep disorders, including narcolepsy.