Cannabis composition

A method for treating and/or preventing a sleep disorder, comprising administering to a patient in need thereof an effective amount of a pharmaceutical composition, wherein the pharmaceutical composition comprises a Cannabis extract and optionally one or more pharmaceutically acceptable carriers, diluents, adjuvants, excipients or any combination thereof, the Cannabis extract comprising:

• Δ9-Tetrahydrocannabinol (THC) in an amount of from 50% to 90% by weight of the Cannabis extract;
• Cannabidiol (CBD) in an amount of up to 10% by weight of the Cannabis extract;
• Cannabinol (CBN) in an amount of up to 10% by weight of the Cannabis extract;
• and
• a terpene fraction in an amount of more than 1% by weight of the Cannabis extract, the terpene fraction comprising:
• a nerolidol being absent or in an amount of from about 0.01% to about 20% by weight of the terpene fraction;
• beta-myrcene in an amount of up to 40% by weight of the terpene fraction;
• linalool in an amount of at least 5% by weight of the terpene fraction;
• alpha-pinene in an amount of from 0.001% to 20% by weight of the terpene fraction;
• and
• beta-pinene in an amount of from 0.001% to 80% by weight of the terpene fraction.