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Infant sleep training. Sleep training (sometimes known as sleep coaching) is a set of parental (or caregiver) intervention techniques with the end goal of increasing nightly sleep in infants and young children, addressing “sleep concerns”, and decreasing nightime signalling. Although the diagnostic criteria for sleep issues in infants is ...
Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
1 in 8,500 females [ 4] Lethal in males, with rare exceptions. Rett syndrome ( RTT) is a genetic disorder that typically becomes apparent after 6–18 months of age and almost exclusively in females. [ 4] Symptoms include impairments in language and coordination, and repetitive movements. [ 4]
“Sleep hygiene is the set of practices that are conducive to good sleep.” These practices include: Maintaining a regular sleep schedule—that is, going to bed and waking up at the same times ...
Past life regression (PLR), Past life therapy (PLT), regression or memory regression is a method that uses hypnosis to recover what practitioners believe are memories of past lives or incarnations. [ 1 ] [ 2 ] The practice is widely considered discredited and unscientific by medical practitioners, and experts generally regard claims of ...
Neuroscience of sleep. The neuroscience of sleep is the study of the neuroscientific and physiological basis of the nature of sleep and its functions. Traditionally, sleep has been studied as part of psychology and medicine. [ 1] The study of sleep from a neuroscience perspective grew to prominence with advances in technology and the ...
Sleep cycle. The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from the circadian alternation between sleep and wakefulness. In humans, this cycle takes 70 to 110 minutes (90 ± 20 minutes). [ 1]
e. The waveform of a Gaussian white noise signal plotted on a graph. In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. [ 1] The term is used with this or similar meanings in many scientific and technical disciplines, including physics, acoustical ...