Chamomile tea offers a calming effect and is often used to help you sleep more soundly Peppermint tea is most often used to support digestive health, but it also has antioxidant and antibacterial properties Ginger tea is full of antioxidants and is a well-known remedy for nausea Echinacea tea is said to help prevent mild illnesses like the common cold due to potential immune-boosting properties Sage tea is said to improve memory and cognitive function