1. Sedatives
   1. reduce nervousness without causing sleep
2. Hyponotics
   1. cause sleep
      1. sedative-hypnotic-anesthetics
3. Classifications
   1. barbituates
      1. secobarbital-Seconal
   2. benzodiazapines
      1. flurazepam--Dalmane
      2. temazepam--Restoril
   3. Miscellaneous
      1. eszopiclone-Lunesta
      2. zolpidem--Ambien