No Sleep:Keep screen light on

No Sleep can prevent your Mac from falling asleep and your screen from dimming during your work and entertainment. -Allows your Mac to stay awake when certain App is running in order to make sure you get your work done -Allows your Mac to stay awake in a specified period of time in order not to interrupt your entertainment You will use No Sleep when you are: 1. Host a presentation at work 2. Watch Videos at home 3. Read novel at coffee room 4. Wait your friends reply at live chat