To dream that you are feeling very asleep, means that you are not sleeping deeply and some part of your brain is still awake. Sometimes people who are very tired dream of feeling asleep, because of the work they did and tiredness they still feel even during the sleep.
Dream dictionary: sleeping with a virgin dream meanings
If you feel you are thirsty in a dream, then such dream could indicate the actual feeling of thirst while you sleeping. On the other hand, probably you are trying to find the support and incitation from the surroundings. If you overcome your thirst, then it signifies your capability to get what you want wherever you want.
To feel shiver in a dream, denotes to hidden frustration and depression. The dream could also represent the actual physical shivering you are having while sleeping.