It acts on the GABA system, but in a different way from benzodiazepines, Z-Drugs, and barbiturates. Lundbeck states that gaboxadol also increases deep sleep (stage 4).
According to Lundbeck, gaboxadol influences the GABA system differently than benzodiazepines, Z-Drugs, and barbiturates. It is noted that this medication enhances deep sleep (stage 4) as well.