Here are a few options for a WordPress post_tag description, considering different levels of formality and focus:

**Option 1: Simple and Descriptive**

* **Title:** 同眠
* **Description:** 關於共同睡眠、同床而眠的相關內容。 (Related to shared sleep, sleeping together.)

**Option 2: Focusing on Relationships**

* **Title:** 同眠
* **Description:** 探索親密關係、伴侶關係中同床共枕的體驗和意義。 (Exploring the experience and meaning of sharing a bed in intimate and partnership relationships.)

**Option 3: More Poetic/Evocative**

* **Title:** 同眠
* **Description:** 分享關於「同眠」的溫馨時刻與感觸，可以是親情、愛情，亦或是友情中的珍貴回憶。 (Sharing intimate moments and feelings related to “sleeping together”, which could be a cherished memory from family, love, or friendship.)

**Option 4: Pragmatic and List-Oriented**

* **Title:** 同眠
* **Description:** 此標籤涵蓋: 睡眠習慣、床位安排、情侶同床秘訣、如何改善睡眠品質。 (This tag includes: sleeping habits, bed arrangements, tips for couples sleeping together, and how to improve sleep quality.)

**Option 5: For a blog about translation**

* **Title:** 同眠
* **Description:** 深入探討「同眠」一詞在不同文化背景下的微妙差異與多樣化的表達方式。 (An in-depth look at the subtle differences and varied expressions of “co-sleeping” in different cultural contexts.)

**Key Considerations when choosing the best option:**

* **Purpose of the blog.** (What are you usually writing about?)
* **Target audience.** (Who are you writing for?)
* **SEO Goals** (Do you want it searchable?)
* **Tone of your blog.** (Do you want to be formal or casual?)

I would recommend you choose the description that best reflects your blog’s purpose, your audience’s expectations, and your overall tone. Good luck!