Most people who take zolpidem – the generic name for Ambien – have insomnia and want to fall asleep. But can the drug help some people wake from an unconscious state?For years ReGen Therapeutics in London has been working on a “zolpidem project.” It is developing new, low-dose, non-sedating formulations of zolpidem; the goal is to use zolpidem to reverse “brain dormancy.”Now the Moss