wǎn / shang / kāi / kōng / tiáo / shuì / jiào / shí / kě / yǐ / shǐ / yòng / shū / mián / jiàn / lái / jié / shěng / diàn / lì晚上开空调睡觉时,可以使用舒眠键来节省电力。When sleeping with the air conditioner on at night, you can use the sleep mode button to save electricity.