Guide Dogs of Texas provides Annual Continuing Education and Support (ACES) to all of our teams. During your ACES visit, an instructor will visit you to ensure that you and your dog are working in a safe and efficient manner.
Low GABA Levels. One of the main causes of sleep maintenance insomnia results from low levels of the brain chemical (neurotransmitter) called GABA. GABA is your main relaxing and tranquillising brain chemical.
1 Non-benzodiazepine hypnotics, such as zolpidem (Ambien), zaleplon (Sonata), and eszopiclone (Lunesta); these drugs are used to treat short-term insomnia.  Melatonin receptor stimulator, ramelteon (Rozerem), was approved in 2005 and -- to date -- is in a class by itself. It is used to treat insomnia.