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Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep disorders) [7] Another underlying sleep disorder, such as narcolepsy, sleep apnea, [8] idiopathic hypersomnia, or restless legs syndrome
Afterwards, the Canadian Consensus Criteria from 2003 [8] and the International Consensus Criteria from 2011 [9] used the term, as well as later definitions. The 2021 NICE committee stated they consider the term PEM outdated, as it may give the impression of just a "vague discomfort", and argued that the term post-exertional symptom ...
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It also appears in non-hypersomniac persons, for example after a night of insufficient sleep. [9] Fatigue and consumption of alcohol or hypnotics can cause sleep drunkenness as well. [ 9 ] It is also associated with irritability: people who get angry shortly before sleeping tend to experience sleep drunkenness.
They also show lower sleep propensity after total sleep deprivation than do normal sleepers. [6] Non-24 can begin at any age, not uncommonly in childhood. It is sometimes preceded by delayed sleep phase disorder. [7] Most people with this disorder find that it severely impairs their ability to function in school, in employment, and in their ...
The National Sleep Foundation recommends that adults aim for 7–9 hours of sleep per night, while children and teenagers require even more. For healthy individuals with normal sleep, the appropriate sleep duration for school-aged children is between 9 and 11 hours.
Teens and pre-teens between ages 12 and 17 tended to report more fatigue-related symptoms, such as daytime sleepiness or low energy, body aches and pains, and neurological symptoms, including ...
Fatigue is a state of tiredness (which is not sleepiness), exhaustion [1] or loss of energy. [2] [3]Fatigue (in the medical sense) is sometimes associated with medical conditions including autoimmune disease, organ failure, chronic pain conditions, mood disorders, heart disease, infectious diseases, and post-infectious-disease states. [4]