How to use "unclear" in a sentence

I couldn't sleep and my thoughts were unclear

"But if he can send dreams to you," Elliot said, "why wouldn't he simply transmit a neat, clear message telling you what's happened to him and where he is? Wouldn't that get him the help he wants a lot faster? Why would he be so unclear and indirect? He should send a concise mental message, psychic E-mail from the Twilight Zone, make it a lot easier for you to understand."

A great cloud of dust, white under the strong sun, made everything within five metres of the ground grey and unclear