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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 ]Segmented sleep and divided sleep may ...
The regular activity breaks were shown to increase average sleep period time and time spent asleep by nearly 30 minutes. The New Zealand-based researchers did not note a significant effect on mean ...
Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").
Bedtime procrastination. Artist's impression of a woman using her smartphone late at night. Bedtime procrastination is a psychological phenomenon that involves needlessly and voluntarily delaying going to bed, despite foreseeably being worse off as a result. [ 1 ] Bedtime procrastination can occur due to losing track of time, or as an attempt ...
In a word, no. While the science is mixed on exercising before bed, as long as you're smart about how you go about it, a nighttime workout is unlikely to negatively impact your sleep. Remember ...
A person reading on an iPad tablet. Screen time is the amount of time spent using a device with a screen such as a smartphone, computer, television, video game console, or a tablet. [1] The concept is under significant research with related concepts in digital media use and mental health. Screen time is correlated with mental and physical harm ...
Too much video game playing may cause vision problems. [ 11 ] Extensive viewing of the screen can cause eye strain, as the cornea, pupil, and iris are not intended for mass viewing sessions of electronic devices. Using video games for too long may also cause headaches, dizziness, and chances of vomiting from focusing on a screen.
Dangers or side effects of sleepwalking. Most sleepwalking isn't immediately harmful, but it can cause daytime sleepiness, fatigue and similar quality-of-life concerns. "Sleepwalking can deprive a ...