<P>PROBLEM TO BE SOLVED: To provide a novel method for treating sleep disorders, whereby natural sleep can be induced without inducing severe side effects. <P>SOLUTION: A non-allosteric GABA<SB>A</SB>agonist other than THIP and tiagabine is used. Specific examples of the non-allosteric GABA<SB>A</SB>agonists which are preferably used are muscimol, thiomuscimol, thio-THIP, progabide and isoguvacine. The preferable amount of the agonist to be administered is 5-50 mg per day. <P>COPYRIGHT: (C)2009,JPO&INPIT 
NON-ALLOSTERIC GABAA AGONIST FOR TREATING SLEEP DISORDER