Keep a consistent sleep schedule
Get enough sleep each night
Reduce stress before bed
Avoid caffeine late in the day
Avoid alcohol and recreational drugs
Limit heavy meals before bedtime
Avoid scary or disturbing content before sleep
Create a calm bedtime routine
Keep your bedroom dark, quiet, and cool
Use relaxation techniques before bed
Try deep breathing or meditation
Write down worries before sleeping
Keep a dream journal
Practice imagery rehearsal therapy
Address trauma with a mental health professional
Review medications with a doctor
Treat sleep disorders if present
Exercise regularly, but not right before bed
Wake up and reset after a nightmare
Use grounding techniques after waking
Seek professional help if nightmares are frequent or severe