睡眠 (shuì mián) means “sleep; to sleep; (computing) to enter sleep mode”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
充足的睡眠对健康很重要。
Chōngzú de shuìmián duì jiànkāng hěn zhòngyào.
Adequate sleep is very important for health.
Updated: 2026-07-18