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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 ...
Sleeping while on duty or sleeping on the job – falling asleep while one is not supposed to – is considered gross misconduct and grounds for disciplinary action, including termination of employment, in some occupations. [ 1][ 2] Recently however, there has been a movement in support of sleeping, or napping at work, with scientific studies ...
The nurse scheduling problem ( NSP ), also called the nurse rostering problem ( NRP ), is the operations research problem of finding an optimal way to assign nurses to shifts, typically with a set of hard constraints which all valid solutions must follow, and a set of soft constraints which define the relative quality of valid solutions. [1]
July 25, 2024 at 8:30 AM. Brooke Shields shared that “at a certain age” she “stopped sleeping.”. “It’s not for the faint of heart,” she said. Menopause can disrupt sleep in multiple ...
Delayed sleep phase disorder ( DSPD ), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is the delaying of a person's circadian rhythm (biological clock) compared to those of societal norms. The disorder affects the timing of biological rhythms including sleep, peak period of alertness, core body ...
“You gotta do what you gotta do to keep the kids fat and full,” said Vasquez, referring to the three grandchildren they are helping to raise. The storm has been blamed for at least 11 deaths ...
The cost of the surgery can be significant. According to ASPS, the average cost of a surgeon’s fee for cosmetic breast reduction is $6,771. Additional fees may include anesthesia and hospital or ...
Shift work sleep disorder ( SWSD) is a circadian rhythm sleep disorder characterized by insomnia, excessive sleepiness, or both affecting people whose work hours overlap with the typical sleep period. Insomnia can be the difficulty to fall asleep or to wake up before the individual has slept enough. [ 1] About 20% of the working population ...