Without at first understanding why, he became instantly aware that some one had been there during his absence.

They will be instantly aware if we do not act the part.

She was instantly aware of the responsibilities that sat upon her shoulders.

He became instantly aware that one would miss, while the others were on target.

She became instantly aware that it was full dark.

She shivered slightly, and as if instantly aware of it, he straightened up.

When the brood mind readdressed him, he was instantly aware.

He woke, instantly aware of the other person sitting next to his bed.

Paul became instantly aware of someone stepping from behind the door to his left, though the movement was more felt than seen.

You don't want to be eaten without being instantly aware of it, eh?