"i was given this (50mg) as needed for anxiety/panic. the first time i took it, it knocked me out for 13 hours. when i woke up i was very groggy for at least 2 hours. after the mental  and physical exhaustion went away i did feel very calm and collected for quite some time. i am not taking it anymore because it is far too strong for me even in half or quartered doses. i&#039;m happy if it works for you, but for me this was not good."