Sometimes you may find yourself grumpy at work. This could be a possible result of feeling tired which may be because you are not getting enough sleep at night. This feeling is likely going to affect your attitude towards work and how you feel about working. To solve this problem, ensure you get quality sleep at each night. During weekends you may be tempted to catch up with your boys. If this is the case, ensure that you catch up with them during the day and leave the night untouched. Depending on you, you may need 8 to 10 hours of sleep to feel rested. A well-rested body wakes up energized for a productive day ahead.