3 sentences

1. 他一连四天卧病在床。

   tā yī​lián sì tiān wò​bìng zài chuáng.

   He was ill in bed for four days straight.

   Source: Tatoeba

2. 他一连几天没合眼。

   tā yī​lián jǐ tiān méi hé​yǎn.

   He didn't close his eyes for several days straight.

   Source: Dong Chinese Dictionary

3. 我一连写了五个小时都没停笔。

   wǒ yī​lián xiě le wǔ gè xiǎo​shí dōu méi tíng​bǐ.

   I wrote for five hours without stopping.

   Source: OpenSubtitles