The clock that wakes you when you are ready

 作者:郈栖     |      日期:2019-03-03 03:06:03
By Emily Singer ARE you a real grump in the mornings? Do you wake up every day feeling tired, embittered, aggrieved, and all too ready to hit the snooze button? If so, then a new alarm clock could be just for you. The clock, called SleepSmart, measures your sleep cycle, and waits for you to be in your lightest phase of sleep before rousing you. Its makers say that should ensure you wake up feeling refreshed every morning. As you sleep you pass through a sequence of sleep states – light sleep,