yī shēng / shuō / bìng rén / de / yì jī rě / zhèng zhuàng / kě néng / yǔ / shuì mián bù zú / yǒu guān医生说病人的易激惹症状可能与睡眠不足有关。The doctor said that the patient's irritability may be related to lack of sleep.