1 vitamin b6 is not harmful as long as you don't take an extreme amount of it just take the regular dosage it says or just experiment 2 maybe a false awaking 3 rub your hands together or look at the palms of your hands it works for me 4 I guess good enough and do 3 as specified and increase dream recall 5 it depends it might have made it easier to notice your dreaming or It could do nothing