Sleep Cycle from Webber Naturals offers triple-action support for a more restful nights sleep. This formula quickly releases 5 mg of melatonin along with a calming nighttime botanical blend, plus 5-HTP and L-theanine to help you fall asleep more easily. It then steadily releases another 5 mg of melatonin throughout the night to improve the duration and quality of your sleep. Sleep Cycle helps you fall asleep faster, stay asleep longer, and wake up feeling refreshed!Directions: Recommended dosage (adults): At or before bedtime, 1 tablet daily or as directed by a physician. Jet lag: Take while traveling and at destination until adapted to the new daily pattern.Caution: All uses except jet lag: Consult a physician if sleeplessness persists for more than 4 weeks (chronic insomnia). All uses: Avoid taking with alcohol or products that cause drowsiness. Do not drive or use machinery for 5 hours after taking melatonin. Consult a physician prior to use if you are taking steroids or blood thinners, medications for seizure or blood pressure, or medications to suppress the immune system (immunosuppressive medications), to affect mental state, or to increase sedation. Consult a physician prior to use if you are taking carbidopa or drugs/supplements with serotonergic activity. These may include, but are not limited to, L-tryptophan, S-adenosylmethionine (SAMe), St. John's wort, antidepressants, pain killer medications, over-the-counter cough and cold medications containing dextromethorphan, anti-nausea medications, and anti-migraine medications. Consult a physician prior to use if you have cardiovascular, immune, liver, or chronic kidney disease, hormonal or seizure disorders, asthma, diabetes, low blood sugar, migraine, depression, and/or related diseases. Stop use and consult a physician if you show signs of weakness, oral ulcers, abdominal pain accompanied by severe muscle pain or if you experience skin changes. Stop use if hypersensitivity/allergy occurs or if you experience headache, confusion, or nausea. Do not use this product if you are pregnant or breastfeeding or if you have scleroderma. May cause extended drowsiness. Some people may experience diarrhea, vomiting, and abdominal pain. Keep out of reach of children.