To have a nightmare.
Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.
A very bad or frightening dream.
A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis.
To make tense.
To apply a tense to.
To become tense.
Any of the forms of a verb which distinguish when an action or state of being occurs or exists.
The property of indicating the point in time at which an action or state of being occurs or exists.
An inflected form of a verb that indicates tense.
Pulled taut, without any slack.
Showing signs of stress or strain; not relaxed.