字幕列表 影片播放 列印英文字幕 Take a look at this scene. If you're not getting enough sleep then you might experience very short blackouts called micro-sleeps, and these can stop you seeing what's in front of your eyes. For example, did you spot the bus changing colour, or the disappearing buildings, or the child running towards the road? So how do you know if you are sleep deprived? Well, do you need an alarm clock to wake up? Do you fall asleep within five minutes of getting into bed? And do you drink lots of coffee or energy drinks to stay awake during the day? If so, then you might need to spend more time asleep, and you can see our top tips for a better nights sleep by clicking the link below this video.