Microsleep
Microsleep
Microsleep (pronounced: /ˈmaɪkrəʊˌsliːp/) is a temporary episode of sleep or drowsiness which may last for a fraction of a second or up to 30 seconds where an individual fails to respond to some arbitrary sensory input and becomes unconscious.
Etymology
The term "microsleep" is derived from the Greek words "micro" meaning small and "sleep" which is derived from the Old English "slæp".
Definition
Microsleep is an uncontrollable, brief episode of sleep that can last anywhere from a single fraction of a second up to 30 seconds. During these episodes, the eyelid may droop, the head may nod, and responsiveness to external information may decrease.
Causes
Microsleep episodes are usually caused by sleep deprivation or certain medical conditions such as sleep apnea. They can also occur in monotonous situations or during low-stimulation activities such as long car drives or watching a boring movie.
Symptoms
Symptoms of microsleep include excessive daytime sleepiness, frequent yawning, or sudden body jerks. If someone experiences these symptoms, they may be experiencing episodes of microsleep without realizing it.
Risks
Microsleep episodes can be dangerous when performing tasks that require constant attention, such as driving a car or operating machinery. They can lead to accidents, errors, and injuries.
Prevention
Preventing microsleep primarily involves getting enough sleep. It may also be helpful to take short breaks during long tasks, to move around, and to engage in activities that keep the brain active and alert.
Related Terms
External links
- Medical encyclopedia article on Microsleep
- Wikipedia's article - Microsleep
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