Lorazepam is a class of psychotropic drugs that improve sleep and can be taken at bedtime for 6-8 hours, depending on the individual patient. Lorazepam is a common psychiatric drug, is a benzodiazepine anxiolytic, can effectively relieve tension, anxiety, usually used to treat various types of anxiety disorders or relieve anxiety and depressive symptoms. It also has some sedative and sleeping effects and can also treat sleep disorders that are combined with anxiety disorders. Lorazepam has certain adverse effects, common adverse effects include limb tremors, dizziness, weakness, unsteady gait when walking; patients may also experience gastrointestinal symptoms such as loss of appetite, nausea and constipation. In addition, it should be noted that long-term use of lorazepam is likely to lead to drug dependence, so long-term use is not clinically recommended. At the same time, patients should not drive or operate machines after taking the drug, not to mention the use of drugs after drinking.