The road to a sleeping pill that offers the snooze-inducing benefits of Ambien and Lunesta, while avoiding next-day grogginess and disorientation, has been paved with failure, tripping up GlaxoSmithKline Plc (GSK) and Takeda Pharmaceutical Co.
Now, Merck & Co. (MRK) may have found a solution. http://www.bloomberg.com/news/2012-07-20/new-...urons.html