Sleeping pills are also known as sedative-hypnotic drugs, mainly by inhibiting the activity of the cerebral cortex and play a sedative-hypnotic role, clinically used in the treatment of insomnia, anxiety, depression and so on. All sedative-hypnotic drugs are likely to have side effects after exceeding the regular oral dose. The more common clinical side effects mainly include dizziness, headache, heavy head, unsteady walking, memory loss, panic, chest tightness, nausea, vomiting and other manifestations. When taking sleeping pills orally should strictly grasp the indications, and under the guidance of the instructions to use the drug, sleeping pills mostly belong to the essence of the second class of drugs, belong to the prescription drugs, should be in the physician prescribed under the premise of oral medication. If there is an adverse reaction should be timely communication with the doctor, in the wrong dose of sedative-hypnotic drugs should be timely vomiting and gastric lavage, in order to reduce the absorption of the drug through the intestinal tract.