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Some people sleep in a recliner because the semi-seated position feels more comfortable than lying flat on a bed. In particular, people with heartburn and back injuries may sleep better with their ...
Hypnic jerk. A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment. Hypnic jerks are one form of involuntary muscle ...
Nocturnal penile tumescence ( NPT) is a spontaneous erection of the penis during sleep or when waking up. Along with nocturnal clitoral tumescence, it is also known as sleep-related erection. Colloquially, the term morning wood, or less commonly, morning glory is also used, [ 1] although this is more commonly used to refer specifically to an ...
Unlike a standard MRI, which produces 3D images of the brain, a functional MRI measures activity in the brain based on blood flow. When conscious people are told to follow a command, certain areas ...
Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...
For some people, waking up early is a breeze. ... Studies show that having caffeine even six hours before bed can cause sleep disturbances, and some doctors recommend stopping caffeine a full ...
Over the past four years, he has consumed more than 100 glasses and 250 light bulbs. As if ingesting glass wasn't dangerous enough, Josh also swallows live bullets, up to 30 in one sitting. His fiance is obviously concerned about the physical risks of his behavior, but Josh loves the attention this shocking habit brings him and has no plans to ...
When you spend time in bed not sleeping, “the brain makes an association that bed is a place where you stress and worry and watch TV and study and do everything else except sleep,” Kei says ...