They represent hard work and effort. Often, they may indicate a loss of sensitivity. Perhaps, it is time to pay more attention to your emotional life.
Keep stress at bay
Your cardiovascular health will likely to suffer when you deprive yourself to sleep. Sleeping can surely reduce the levels of stress you're going through and with that, you could have a much better control of your blood pressure. Not having enough of sleep will also affect the levels of your cholesterol, which plays a significant role in heart disease.
Some people can recognize dreams while sleeping; this type of dream is called lucid dreaming. Most of the people would have experienced this type of dream atleast once in their life. You can actually control these dreams. One of the popular dreams that most of us experience is as flying in the sky; you can try lucid dream by imagining your house beside the flying aid.