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Modern ollie technique. The ollie is a skateboarding trick where the rider and board leap into the air without the use of the rider's hands. [1] It is the combination of stomping (also known as popping) the tail of the skateboard off the ground to get the board mostly vertical, jumping, and sliding the front foot forward to level out the skateboard at the peak of the jump.
Sleep research conducted in the 1990s showed that such waking up during the night may be a natural sleep pattern, rather than a form of insomnia. [2] If interrupted sleep (called "biphasic sleeping" or "bimodal sleep") is perceived as normal and not referred to as "insomnia", less distress is caused and a return to sleep usually occurs after ...
Alan "Ollie" Gelfand (born January 1, 1963) is an American skateboarder, racing driver, and businessman credited with inventing the ollie, the foundational skateboarding trick. Early life [ edit ]
Obdormition (/ ˌ ɒ b d ɔːr ˈ m ɪ ʃ ən /; from Latin obdormire "to fall asleep") is a medical term describing temporary numbness in a limb, often caused by constant pressure on nerves or lack of movement. [1]
The sleep cycle of alternate NREM and REM sleep takes an average of 90 minutes, occurring 4–6 times in a good night's sleep. [15] [20] The American Academy of Sleep Medicine (AASM) divides NREM into three stages: N1, N2, and N3, the last of which is also called delta sleep or slow-wave sleep. [21]
To relax and encourage sleep, a meditation in the form of guided imagery may be used. The stereotypical method is by counting sheep, imagining sheep jumping over a fence, while counting them. [2] In most depictions of the activity, the person envisions an endless series of identical white sheep jumping over a fence, while counting the number ...
The disorder often leads to bodily injury from unwanted movements. Because of these incessant muscle contractions, patients' sleep patterns are often disrupted. It differs from restless legs syndrome in that RMD involves involuntary muscle contractions before and during sleep while restless legs syndrome is the urge to move before sleep. RMD ...
REM sleep is considered closer to wakefulness and is characterized by rapid eye movement and muscle atonia. NREM is considered to be deep sleep (the deepest part of NREM is called slow wave sleep), and is characterized by lack of prominent eye movement, or muscle paralysis. Especially during non-REM sleep, the brain uses significantly less ...