I recall vividly when the "Red Bull & vodka" craze took off in the UK; it makes sense, Red Bull alone leaves you too cranked, the vodka calms you down a bit. Nightclubs became a bit more tense and so sticky that everyone was forced to dance in a different way, nothing which involves sliding your feet on the floor.
Here is a write-up on Taurine [1] with links to some additional studies if it is useful.