Here are some drug-free ways of getting to sleep quickly:
Stick to a regular sleep schedule
Create a relaxing bedtime routine
Avoid caffeine, alcohol, and nicotine before bedtime
Limit exposure to screens before bedtime
Keep your bedroom cool, dark, and quiet
Practice relaxation techniques such as deep breathing or meditation
Use white noise or calming music to help you sleep
Consider taking a warm bath or shower before bedtime
Exercise regularly, but not close to bedtime.