A Study to Evaluate Efficacy and Safety of Zolpidem Modified Release Formulation in Insomnia Patients

Exclusion Criteria

• •Patients with sleep apnea syndrome, narcolepsy, presence or suspicion of periodic leg movement or restless leg syndrome
• •Patients with hepatic failure, myasthenia gravis, or hypersensitivity to zolpidem
• •Patients who are known to be current drug or alcohol abuser or likely to concomitantly consume alcoholic beverages (more than 3 times/week)
• •Patients who are pregnant, lactating or intend to become pregnant during the study period
• •Patients who have received antidepressants or anxiolytics will not allow to change the dose or discontinue the previous medication throughout the study
• •Any clinically significant condition, which in the opinion of the investigator makes the patients unsuitable for the trial
• •Participation in any clinical trial within 1 month prior to randomization