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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
Individuals experiencing sleep drunkenness report waking with confusion, disorientation, slowness and repeated returns to sleep. [9] [11] 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]
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 The 2021 NICE committee stated they consider the term PEM outdated, as it may give the impression of just a "vague discomfort", and argued that the term post-exertional symptom ...
Experts share how a lack of sleep affects children. For premium support please call: 800-290-4726 more ways to reach us
It is crucial to aim for objective measures to quantify the sleepiness. A good measurement tool is the multiple sleep latency test (MSLT). It assesses the sleep onset latency during the course of one day—often from 8:00 to 16:00. [10] An average sleep onset latency of less than 5 minutes is an indication of pathological sleepiness. [11]
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]
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 ...
Occasional noncircadian days may occur (i.e., sleep is "skipped" for an entire day and night plus some portion of the following day), followed by a sleep period lasting 12 to 18 hours. The symptoms do not meet the criteria for any other sleep disorder causing inability to initiate sleep or excessive sleepiness.