Definition
睡眠 (shuìmián) is a noun referring to the physiological state of sleep, used in formal or medical contexts. It contrasts with the verbs 睡 (shuì) and 睡觉 (shuìjiào), which describe the action of sleeping in everyday speech. 睡眠 also has a technical sense in computing, where it means 'sleep mode'.
noun
sleep (physiological state)(computing) sleep mode
Easily confused
- 水面shuǐ miànsound-alikewater surface
Examples
- 睡眠。Wǒ měitiān xūyào bā xiǎoshí de shuì mián.I need eight hours of sleep every day.
- 睡眠。Liánghǎo de shuì mián duì jiànkāng hěn zhòngyào.Good sleep is very important for health.
- 睡眠。Wǒ de shǒujī kěyǐ jìnrù shuì mián móshì.My phone can enter sleep mode.
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