浙江省读者苗信谱来信问:我最近总是爱睡觉,虽然晚上早早就休息了,可是白天还是无精打采,请问这是怎么回事儿啊?专家:虽然有很多人上了年纪后,睡眠时间会明显减少,有时甚至彻夜难眠,然而在现实生活中,还存在这样一些老年人,他们不仅清晨睡不醒,而且在大白天也总是昏昏欲睡,打不 Zhejiang Province Miao Xinpu letter from the reader asked: I recently always love to sleep, although early at night to rest, but still listless during the day, may I ask what is the matter? Expert: Although there are many people after the age, sleep time Will be significantly reduced, and sometimes even sleepless nights, but in real life, there are still some elderly people, they not only wake up early in the morning, but also in the daytime and always drowsy, do not fight