Hello O Have A 19 Month Year Old Child Who

Hello o have a 19 month year old child who are wakes up many, many times per night. Yes she still breast feeds and is using this as a crutch but I'm trying to get her off thos . my question is are there any sleep aids she can be given to help sleep. Her sleeplessness is taking a toll on me a single mom who has been going through this for quite some time.