Article Calcium channels Gamma band activity N-type calcium channel Neuronal calcium sensor protein P/Q-type calcium channel REM sleep arousal benzodiazepine derivative bipolar disorder calcium calmodulin dependent protein kinase II calcium channel N type calcium channel P type calcium channel Q type cognitive therapy cyclic AMP dependent protein kinase daytime somnolence electroencephalography habituation hallucination hippocampus human hypnotic agent insomnia kainic acid lithium n [2 [[n [3 (4 chlorophenyl) 2 propenyl] n methylamino] methyl]phenyl] n (2 hydroxyethyl) 4 methoxybenzenesulfonamide n methyl dextro aspartic acid neuronal calcium sensor nightmare