It can be expensive stuff. Just visit your local heath food store and pick up a bottle w/ that type of top that can administer droplets.
ps: Please stop using that Ny-quil. Continued use is totally unhealty. It's like doing asprin theraphy with Tylenol, not good at all...
Yeah..I haven't used Nyquil in a while, unless I get really sick. It took me a long time to go back to sleeping normal the last time I got hooked to it.