3 sentences

1. 安眠药不能长期服用。

   ān​mián​yào bù​néng cháng​qī fú​yòng.

   Sleeping pills should not be used long term.

   Source: CCMatrix

2. 每天定期服用此药，有助于控制症状。

   měi​tiān dìng​qī fú​yòng cǐ yào, yǒu​zhù​yú kòng​zhì zhèng​zhuàng.

   Taking this medicine regularly every day helps control your symptoms.

   Source: CCMatrix

3. 一些研究表明，长期服用安眠药其实是会干扰睡眠的。

   yī​xiē yán​jiū biǎo​míng, cháng​qī fú​yòng ān​mián​yào qí​shí shì huì gān​rǎo shuì​mián de.

   Some studies show that long-term use of sleeping pills actually interferes with sleep.

   Source: CCMatrix