Merck Sleeping Pill With Fewer Side Effects Seen as Boon

Merck Sleeping Pill With Fewer Side Effects Seen as Boon

Emile Wamsteker/Bloomberg

In a study sponsored by Merck, patients on the company’s suvorexant performed better at a driving test the next day, staying in their lane more than patients on eszopiclone, the generic name for Lunesta from Osaka, Japan-based Dainippon Sumitomo Pharma Co.