😴 Sleep (all ages)
Sleep problems across all age groups
Symptoms
Sleep problems
Sleep problems: A comprehensive look at causes and consequences Sleep problems are one of the most common complaints in the modern world, affecting all age groups, from newborns to…
Insomnia
Insomnia (insomnia): Causes and mechanisms of sleep disturbance Insomnia, or insomnia, is a sleep disorder characterized by persistent difficulties falling asleep, maintaining slee…
Sleep apnea
Sleep apnea: When snoring becomes dangerous Sleep apnea is a serious disorder characterized by repeated episodes of complete or partial cessation of breathing during sleep. These p…
Restless Sleep
Restless Sleep: When Body and Mind Can't Rest Restless sleep is a general term describing sleep characterized by frequent movements, awakenings, and a feeling that the rest was not…
Night terrors
Night terrors: Sudden terror during sleep Night terrors (pavor nocturnus) — are a type of parasomnia (sleep disorder) that most commonly occurs in children, typically aged 3 to 7 y…
Somnambulism
Somnambulism (sleepwalking): Automatic behavior Somnambulism, or sleepwalking, is another type of parasomnia that, like night terrors, occurs during the deep sleep phase. It is a c…
Excessive sleepiness
Excessive daytime sleepiness: When sleep doesn't bring rest Excessive daytime sleepiness (hypersomnia) is a condition in which a person feels strong sleepiness during the day despi…
Circadian Rhythm Disruption
Circadian Rhythm Disorders: When the Internal Clock Gets Disrupted Circadian rhythms are internal biological processes that follow an approximately 24‑hour cycle and regulate virtu…