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.
Zyrtec-D and Insomnia. Like all medications, Zyrtec-DÂ® (cetirizine and pseudoephedrine) can cause side effects. Insomnia is the most common Zyrtec-D side effect. In clinical studies, up to 4 percent of people taking the drug experienced insomnia, compared to less than 1 percent of people taking a placebo (a sugar pill with no active ingredient).