Blinds symbolize the relationship you have the exterior. To open them indicates willingness and good intentions to communicate. To close them, a state of isolation or confinement. To let light in through the slats manifests a certain precaution or fear of your privacy being invaded.
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.
Reading in dream
Sometimes you will not be able to differentiate lucid dream. If you want to be sure, try reading a simple sentence, if you are able to read then you are in wakeful stage if not you are in lucid dreaming. Studies show that you cannot read while dreaming or you will not find the repeated sentences one more time.