Form and thought are absent in deep sleep as well as when the body is under anesthesia. Anesthesia and sleep are states that relate to the body mind but not to awareness which neither sleeps nor is awake. Awareness is not a state. Awareness IS. Sat-Chit-Ananda.
Between thought A and thought B you (Awareness) do not disappear. There is no thought between two thoughts. Thought is absent between thought A and thought B but awareness is not.
Whether clouds are present or absent the wide open sky IS.