Supplements & Products › Syner Sleep Image 1 of 1 Syner Sleep CA$42.00 Helps to temporarily promote relaxation. Helps re-set the body’s sleep-wake cycle (aspect of the circadian rhythm) Get notified by email when this product is in stock. Quantity: Purchase Added! Helps to temporarily promote relaxation. Helps re-set the body’s sleep-wake cycle (aspect of the circadian rhythm)