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Why tea can keep you awake: how caffeine affects sleep, why sensitivity varies, and how to choose gentler nighttime options like naturally caffeine-free herbal tea.

A beginner-friendly guide to common Chinese tea names and jargon—explaining what terms like Bingdao, Lao Banzhang, and Xiaoqinggan actually refer to, plus key brewing and tasting words such as “how many infusions,” huigan, and shengjin.

Why does a surface film appear more often on some teas? Why do tender-bud teas sometimes have fine “fuzz” floating in the cup? This article uses a simple comparison table to explain the causes, appearance, and safety of tea surface film vs. tea fuzz—and shares practical tips to reduce surface film when brewing.

A simple guide to tea terms: how green, oolong, black, and dark teas are classified by processing and oxidation—and what “sheng” and “shou” mean in the Pu-erh world.