俗话说:“春困秋乏夏无力。”一到夏天,不少人都会感觉到昏昏欲睡,无精打采,经常是哈欠连天、四肢无力。夏天爱瞌睡的确是一种正常的自然现象,但并不是所有的发困、打瞌睡都是正常的,还有可能是一些疾病的症状。因此,人们对此类的症状不应掉以轻心,一定要当心那些“潜伏”的病症。【嗜睡症】过度嗜睡其实是一种疾病,它主要表现为发作性睡病与睡眠呼吸暂停等,以发作性睡病最 As the saying goes: “spring sleepy lack of summer.” “To summer, many people will feel drowsy, listless, often yawning, limbs weakness. Summer sleepy is indeed a normal natural phenomenon, but not all sleepy, dozing is normal, there may be some symptoms of the disease. Therefore, people should not be taken lightly to such symptoms and must beware of those ”latent" symptoms. [Narcolepsy] excessive sleepiness is actually a disease, which is mainly manifested as narcolepsy and sleep apnea, etc., to narcolepsy most