IshPs 23(16) :ܠܘ ܥܠ ܕܡܟܘܬܐ ܕܫܢܬܐ ܐܘ ܥܠ ܥܝܪܘܬܐ ܟܝܢܝܬܐ ܐ݁ܡܪ‏ : he is not talking about the sleepiness of sleep or about really being awake
See the entire entry for damkū, damkūṯā n.f. sleepiness; death