nightclock
The alarm of a clock on a night that you could not sleep on. You will find it hard to sleep and the nightclock will show you that you wasted so much time and you should do what the alarm is set for (i.e. Go To Work)You will hear this alarm go off, ruining your time, leading to it being one of the worst sounds you have ever heard.
Alex: Yeah, im tired because I stayed up all night watching movies until in the middle of Grown Ups 2 my nightclock told me that it was 4 am and I had to get ready for work
Daniel: Just sleep if your tired, idiot!
Daniel: Just sleep if your tired, idiot!