I'm gonna hit the sack. 我要去睡了。
I've got a date with the mattress. 我要和床垫约会去了 I must have nodded off. 我一定是打了盹。
He's fast asleep. 他已睡熟。 You slept soundly. 你刚才睡得很熟。
He's a heavy sleeper. 他很重眠,一睡就很难叫醒。 An earthquake couldn't shake him. 他一旦睡着, 连地震都摇不醒。 When it comes to snoring, nobody can top Phil. 要说起打鼾, 没人比得上菲尔响。