He did not feel exactly frightened.

But he did not feel exactly brave either.

But he wished and intended to be brave, so he said, 'I will explore these doors.

At least I think I will,' he added, for one must not only be brave but truthful.
And then suddenly he felt very sleepy.

He leaned against the wall, and presently it seemed that sitting down would be less trouble, and then that lying down would be more truly comfortable.