Poor planning
Many people when they leave workplace in the evening they don't think of what to do the next day morning, Better you plan your next day's schedule before you leave in the evening.
Email mode throughout of the day
Do you think that you are more responsive when you answer every email as it comes? You are mistaken. You are not at all productive. You are wasting the entire day. You may be feeling you are a hero as you have responded to all the emails. Remember it has nothing to do with reaching your goals.
Work from home: abusing facility
By not commuting to office you are saving some time. Working from home has several drawbacks. Many working from home spend more time on daily chores like attending to kids or run a quick errand. You know what you are doing is wrong. When you are working from home make sure you are putting in a full day's work. You must also be accessible to office.
Personal life
Emergencies are a part of our life. But they shouldn't become a habit. You cannot make your colleague wait at the office for your contribution. Office or your colleagues have nothing to do with your missing the entire afternoon because you have an appointment with your dentist. Your work life and personal life should each have separate spaces. Don't put your personal life before work.
Late at meetings
If you come late to the first meeting, you will be throwing the schedule out of gear. People coming on time to the meeting feel their time is wasted.
Health and hygiene
Companies spend a lot on counselors to correct employees who don't care for their health and hygiene. A sloppily appearing person spoils the image of the company. If you don't give proper care for hygiene, you will fall ill and your production will be hit. Take care of your health and hygiene.
Inappropriate humor
You may be hurting your colleagues with your off-color humor. Keep off racially targeted jokes. Better don't touch sensitive subjects such as politics and religion.
Not taking care of work
People like you if you are doing good work. You should be proud of your work by presenting yourself well and communicate clearly.