Buy Sensi Star. You can also use it for curing hyperactivity. It is useful for inattentiveness and helps in improving focus and concentration on things. You can smoke Sensi Star when you are suffering from migraines, pain, insomnia and a loss in appetite. It has little to no side effects. It can be grown both indoors and outdoors, but is mostly grown indoors and has a germination period of 60 days.