Here are a few description options for a WordPress post tag with the title “飲食助眠” (Yǐnshí zhùmián – Dietary Aid in Sleeping) in Traditional Chinese, ranging in length and specificity:

**Option 1: Concise and broad (suitable for general use)**

> 探索透過飲食來改善睡眠的方法，包含助眠食物、飲食習慣建議等等。
>
> _Explore ways to improve sleep through diet, including sleep-promoting foods, dietary habits recommendations, and more._

**Option 2: Slightly more descriptive**

> 了解哪些食物有助於改善睡眠品質，以及如何透過調整飲食習慣來促進更香甜的夢鄉。 我們將分享關於飲食與睡眠的各種知識，幫助你擁有更好的睡眠健康。
>
> _Understand which foods help improve sleep quality, and how to adjust dietary habits to promote a more sound sleep. We’ll share all sorts of knowledge about diet and sleep, helping you achieve better sleep health._

**Option 3: Focusing on specific content (if your content does)**

> 深入研究促進睡眠的食物，例如哪些食物富含褪黑激素、色胺酸等，以及如何搭配飲食來達到更好的助眠效果。 包括食譜、飲食技巧，以及避免影響睡眠的食物指南。
>
> _Delve into foods that promote sleep, such as those rich in melatonin, tryptophan, etc., and how to adjust your diet to achieve a better sleep aid effect. Includes recipes, dietary tips, and a guide to avoid foods that affect sleep._

**Option 4: Emphasizing benefits and user appeal**

> 擺脫失眠困擾，從飲食開始！ 這裡分享各種助眠的飲食秘訣，讓你輕鬆享受一夜好眠。 了解如何透過食物改善睡眠品質，擁有更健康的生活。
>
> _Say goodbye to insomnia, starting with your diet! Here, we share various dietary tips to aid sleep, allowing you to easily enjoy a good night’s rest. Learn how to improve sleep quality through food and have a healthier life._

**Key Considerations when choosing a description:**

* **Your target audience:** Who are you writing for? Consider their level of knowledge about the topic.
* **Your content:** What kind of posts will be tagged with “飲食助眠”? Tailor the description to reflect the scope and focus of your content.
* **SEO (Search Engine Optimization):** Include relevant keywords to help people find your content. (e.g., “助眠食物,” “改善睡眠,” 飲食習慣”).

Choose the description that best fits your needs and helps users find your content easily.