HAVE A FRIEND WHO HAS CRONIC INSOMNIA SHE GETS APPROX. 2HRS PER NIGHT AND IS CONSTANTLY NODDING OFF DURING THE DAY, CANT FUNCTION, AND DOESNT KNOW WHAT SHE CAN DO, SHE IN THE PAST WAS ADDICTED TO DRUGS, AND IS AFRAID TO TAKE ANYTHING THAT CAN BECOME ADDICTIVE, CAN YOU SUGGEST A NON ADDICTED DRUG THAT SHE CAN USE