二度寝(にどね)going back to sleep (e.g. after waking up in the morning)

今日(きょう)は休日(きゅうじつ)だから二(に)度(ど)寝(ね)しよう！

Today is a holiday, so let's go back to sleep! {going back to sleep (e.g. after waking up in the morning)}

二(に)度(ど)寝(ね)をしたせいで会社(かいしゃ)に遅(おく)れました。

I was late to work because I went back to sleep. {going back to sleep (e.g. after waking up in the morning)}

二(に)度(ど)寝(ね)をする事(こと)は体(からだ)に良(よ)くないと言(い)われています。

It is said that going back to sleep (e.g. after waking up in the morning) is not good for your health. {going back to sleep (e.g. after waking up in the morning)}

せっかく早起(はやお)きをしたのに二(に)度(ど)寝(ね)をしてしまい、午前(ごぜん)中(ちゅう)が潰(つぶ)れた。

Despite going through the trouble of waking up early, I ended up going back to sleep and wasted the whole morning. {going back to sleep (e.g. after waking up in the morning)}

独(ひと)り言(ごと)：「誘惑(ゆうわく)に負(ま)けて二(に)度(ど)寝(ね)をしなければ学校(がっこう)に遅刻(ちこく)せずに済(す)んだものを！」

Monologue: "If only I hadn't given into temptation and gone back to sleep, I wouldn't have been late for school!" {going back to sleep (e.g. after waking up in the morning)}