寢〔寝〕 cam² {qǐn}

to lie down

寢食〔寝-〕 cam² sik⁶ {qǐn shí}

sleep and eat

寢具〔寝-〕 cam² geoi⁶ {qǐn jù}

bedding

寢室〔寝-〕 cam² sat¹ {qǐn shì}

1. bedroom
2. dormitory
3. CL: 間

寢食不安〔寝---〕 cam² sik⁶ bat¹ on¹ {qǐn shí bù ān}

not sleeping well and not eating well

寢食難安〔寝-难-〕 cam² sik⁶ naan⁴ on¹ {qǐn shí nán ān}

1. lit. cannot rest or eat in peace (idiom)
2. fig. extremely worried and troubled

寢苫枕塊〔寝--块〕 cam² sim¹ zam² faai³ {qǐn shān zhěn kuài}

bed of straw and pillow of clay (idiom); the correct etiquette for filial son during Confucian mourning period