Examlex
A user complains that he is suddenly receiving a bevy of "bounced" emails and friends are complaining they are receiving odd emails from him. What best describes what has occurred?
Short Naps
Brief periods of sleep, generally lasting less than 30 minutes, intended to quickly restore alertness and performance.
Insomnia
Recurring problems in falling or staying asleep.
Delta Waves
Slow brainwaves predominantly associated with deep sleep and restorative processes in the brain.
Night Terrors
A sleep disorder characterized by feelings of terror or dread, usually occurring in the first hours of NREM sleep.
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