Parasomnias refer to a group of sleep disorders that involve abnormal behaviors, movements, emotions, perceptions, or dreams during sleep. These behaviors are not normally seen in individuals during their regular sleep cycles.
Related terms
Sleepwalking: Sleepwalking is a parasomnia characterized by walking or performing other complex activities while asleep.
Nightmares: Nightmares are vivid and frightening dreams that often wake the sleeper up with intense feelings of fear or anxiety.
Sleep paralysis: Sleep paralysis is a temporary inability to move or speak while falling asleep or waking up. It can be accompanied by hallucinations and a sense of pressure on the chest.