it is common for some junior high school student to feel sleepy in school time cause lacking of sleep for staying in cyber café till midnight.
这是常见的一些初中学生感到困倦的时间在学校事业缺乏睡眠住在网吧直至午夜。
after a while he began to feel sleepy and decided that he would lie down and disgest his meal in comfort.
不一会儿他有些犯困,便决定还是先躺下来消消食。
「one needs to separate someone who「s just a natural longer sleeper from someone who」s having disturbed sleep that's causing them to feel sleepy during the day, 」 she says.
「应当严格区分长时间睡眠者和睡眠失常者,睡眠失常者白天常常感觉昏昏欲睡」她表示。
go to sleep only when you start to feel sleepy instead of wasting your time staring at the clock.
只有当你开始昏昏欲睡时再上床睡觉,而不是浪费你的时间盯着时钟看。