it makes u think u r asleep all night but u r not i took it i was...

it makes u think u r asleep all night but u r not i took it i was falling asleep quick and got up in the morning and felt tired then i fond out it has some stuff that makes u lose all memory last night and so u do not remembered any thing last linght or do not think u even dreamed but really u got up at night and tossed and turned and movered around but the stuff in the med makes your brain forget it all to let u think u got a good night sleep so u buy more this is not healthy your body does not refresh naturally like it needs to or heal its self is this true?