... ,treat insomnia,tired,worried,psychosis,hospital use.. Therapy brainwave therapeutic apparatus : BW308,hospital use.System features:*. It has 8 ... is applied with four basic signal model , and its frequency range for 28hz to 10hz , and constantly repeatedly .Functions ... wave , the last is the 10 minutes again with α wave frequency .Functions: The elimination of nervousness ( example : insomnia , nerve ...