When using a laptop, you must be mindful of your power usage, especially when you are using a battery for power. Some people leave their PCs on all the time, while others turn them off as soon as they leave the room. There are, however, guidelines for when to use each option. Shutting it down entirely or putting it into sleep mode are the two most common options.īoth options have their own set of benefits and drawbacks, and neither is particularly good or wrong in any given circumstance. There is always the matter of what to do with your computer after you leave the office for the day.