This style is widely considered to have originated in Spain, but as with all evolutions of dance style this itself is widely debated. The basics are the same as Traditional Style Bachata, but with added dance elements and styling from Salsa, Tango, Zouk-lambada, Ballroom etc.
Chamomile is probably one the best known herbal teas that help you sleep and promote relaxation before bed. Chamomile makes a gentle and effective sleep tea because it contains the amino acid glycine, which acts as a nerve relaxant and mild sedative.
Rooibos tea, in particular, is a good one to try because of its antioxidant properties; it's also caffeine-free. Other herbal teas may help alleviate morning sickness (ginger and mint), prevent insomnia (chamomile) and promote more effective contractions during labor (red raspberry leaf).