Read about it on r/gabagoodness and psychonautwiki.org/wiki/Pregabalin, it is prescribed for GAD among some other things, it makes you sociable compared to benzos, gets rid of anxiety and the duration is at least 12-14 hours, although it can be addictive like benzos and opioids and can have as such bad withdrawals as them
Some people don't seem to feel it for some reason but most people if not the vast majority of them can feel it and its recreational
Physical euphoria - This component, while prominent in the experience, is generally not as strong as the cognitive euphoria that can be induced. The sensation itself can be described as feelings of physical comfort, warmth and bliss.
Muscle relaxation - While the muscle relaxation experienced on pregabalin is not as powerful as that of diazepam or other benzodiazepines, it is still prominent.
Empathy, affection, and sociability enhancement - Pregabalin presents distinct entactogen/empathogenic effects. In contrast to benzodiazepines (which merely increase sociability through disinhibition), at high dosages pregabalin directly increases the urge to communicate with others with feelings of empathy, love, closeness and connection being well-defined. These effects, although weaker than that of MDMA, are still prominent.
Ego inflation
Anxiety suppression
Cognitive euphoria - Many users who take pregabalin describe a moderate to even intense euphoria, even at lower doses. Many users describe it as similar to opioid induced euphoria. The sensation itself can be described as powerful and overwhelming feelings of emotional bliss, contentment, and happiness.
Increased music appreciation - The music enhancement from pregabalin can be described as music sounding more detailed, 'higher quality', and even slowed down on higher dosages.
Phenibut which is very similar to it is described as a "dirty drug" because it apparently occupies multiple receptors of the brain, not sure if pregabalin is a "dirty drug"