<prompt> Which of the following hypnotic drugs facilitates the inhibitory actions of GABA but lacks anticonvulsant or muscle relaxing properties and has minimal effect on sleep architectureBuspironeDiazepamPhenobarbitalZaleplon  <response>: Zolpidem, zaleplon and zopiclone are agonists at BZD receptors.These are hypnotic drugs that lack muscle relaxant and anticonvulsant actions.These have negligible effect on REM sleep and do not affect sleep architecture. 