A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns.
A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness.
A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis.
Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure.
A very bad or frightening dream.
To have a nightmare.