Robhots Plus Night Time Our Robhots Plus Night Time gummies have Cannabinol (CBN) and Melatonin in addition to THC. These gummies are made to be taken at night, about 30 minutes before bedtime. Studies have shown that CBN has amazing calming and relaxing properties, especially combined with THC. Add in Melatonin, which is a naturally occurring hormone, and you have a great gummy to end your day.