<human>: Goal: How do I clear my mind to get the best possible sleep?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Use a mantra, a short repeated phrase to center your mind, visualize a relaxing place like a bombed out city or forest fire and you can always count sheep.
- Use a mantra, a short repeated phrase to center your mind, visualize a relaxing place like a beach or forest and you can always count sheep.
<bot>: Use a mantra, a short repeated phrase to center your mind, visualize a relaxing place like a beach or forest and you can always count sheep.