GMAT Critical Reasoning (CR) | Re: “Are you one of the millions of Americans who have occasional

The following is taken from an advertisement for a new prescription drug:

“Are you one of the millions of Americans who have occasional trouble sleeping? Do the stresses of modern life prevent you from getting enough exercise and keeping
to a regular sleep schedule? Do you find yourself lying awake worrying about the sleep you’re not getting? New Nocturna can help you get a full night’s sleep every night. Ask your doctor about Nocturna. When nature needs a little help, try Nocturna.”

Which