[header] How to set boundaries at work [title] Communicate your working hours and time limits. [step] Tell your boss and your colleagues about your normal working hours and reinforce these hours by sticking to them. In addition, be honest about how long a project might take you to complete. 
Do not promise to finish a task sooner than you are able to do it. It can also help to tell your boss about some of your general responsibilities at home, so there is an understanding that you have other responsibilities to fulfill outside of work hours.