A good dream pillow recipe for having more dreams (sometimes prophetic) and remembering those dreams is as follows.  

1 part dry marigold flowers  
1 part dry rose petals  
1 part dry cinquefoil  
2 parts dry chamomile flowers  
4 parts dry wormwood leaves  
4 parts dry lavender flowers  
2 parts dry mugwort leaves  
1 part dry rosemary leaves  
1 part dry spearmint leaves  
1 part dry elder flowers  
1 part dry linden flowers and leaves  
1 part dry passion flower 

Combine all the herbs, stuff loosely into a cloth bag and tuck the bag inside a pillow. If you don't have all the ingredients it is fine, use what you have. They are all designed to work together well but are not dependent on each other. The Lavender & Wormwood are the most essential parts.