The color black represents fear, the absence of light, and ignorance. It is also associated with death, pain, and sadness. When this color predominates in a dream, it means you are being brought down by pessimism and confusion. (See DESERT, MIDNIGHT, and DEATH)
Gallery of dreams
Sleeping can help with the overall well-being than avoiding irritability. A lack of sleep can easily contribute to depression, but having a good one could easily change your mood or alleviate your anxiety. With a good night's sleep, you'll surely have emotional stability and balance.
If you want to be more creative today, that you were yesterday, it would be ideal for you to have enough rest and sleep. Your brain will be working overnight to consolidate your memories, making them stronger and making you organized and well-structured. Researches showed that people will have stronger emotional components, which could surely help with their creativity.