Most users notice being more sociable. A sense of harmony could be experienced with others at a party or meeting. Slightly more energy initially, followed by a need to slow down. Some users have reported feeling sleepier. Whether you feel sleepy or alert with kava kava depends on your individual biochemistry and also on the product you are using.
Some users report slightly enhanced dreams and a more restful sleep.
An important point to keep in mind is that different forms of kava may produce different mental effects. If your intent on using kava kava as a way to reduce anxiety, experiment with at least two or three different products. If you don't feel anything from one pill or one cup of kava kava beverage you may find two or three pills or cups can provide the effect your looking for.