You can also tell Caffeine to turn off after a specified number of minutes by Command + clicking on the icon. This free piece of software prevents your Mac from automatically going to sleep, dimming the screen or starting screen savers.Ĭaffeine is easily activated by clicking the menubar icon. You could adjust your EnergySaver preference settings, but that's a pain - and if you forget to switch it back, your battery drains even faster.Įnter Caffeine from Lighthead Software.
The problem is that sometimes the dimming or sleep feature activates at an inopportune time - such as reading long documents or Web pages. If you work on a MacBook or MacBook Pro you probably have the laptop set to sleep after a certain amount of time, and the screen to dim after a certain period of inactivity, in order to save battery life.