Dose Finding Study for a Botulinum Toxin Type A Injection to Treat Habitual Snoring

Inclusion Criteria: * Female or male subjects aged 18-70 * Subjects suffering from snoring for at least 3 months prior to the study start and seeking for help to treat snoring * Subjects with a peak Snoring Index \[SI\] ≥ 15/ hour of sleep \[h\] at baseline visit * Subjects with a bed partner for at least three months prior to study start. * Subjects who understand the nature of the study and provide written Informed Consent at screening visit. * Subjects who understand the study procedures as well as possess the ability and willingness to abide by all procedures during the course of the study Exclusion Criteria: * Obese subjects (Body Mass Index ≥ 30) * Subjects with severe obstructive sleep apnea syndrome * Subjects with Apnea-Hypopnea Index ≥ 10 /hour of sleep and/ or Respiratory Disturbance Index ≥ 25 / hour of sleep at the baseline visit * Subjects who have undergone any Botulinum neurotoxin treatment in the history * Subjects with generalized disorders of muscle activity (e.g. myasthenia gravis, Lambert-Eaton syndrome) * Acute infections of the pharynx