Sleeping pills definitely have more or less side effects, and the common side effects can cause dizziness, fatigue and other symptoms, and more serious may also cause damage to liver and kidney function. But different sleeping pills, its side effects are different, for example, the former commonly used barbiturates side effects will be relatively large, now rarely used as a regular sleeping pills, but now the sleeping pills, like benzodiazepines side effects will be smaller, eat more may be a longer sleep, but generally not to cause serious consequences. However, most of the sleeping pills will have drug dependence, that is, after eating a relatively long period of time, if you stop, may be insomnia, and eat a long time may need to gradually increase the dose, so try not to take long-term. Insomnia to find the cause, there are causes to deal with the cause of the cause, the cause of insomnia will be lifted, rather than long-term dependence on sleeping pills.