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William Charles Dement (July 29, 1928 – June 17, 2020) was an American sleep researcher and founder of the Sleep Research Center at Stanford University.He was a leading authority on sleep, sleep deprivation and the diagnosis and treatment of sleep disorders such as sleep apnea and narcolepsy.
Ostransky grew up in a Jewish ghetto on the Lower East Side in New York city, the son of Russian Jewish immigrant parents, Max Ostransky and Sophie Ostransky (née Friedman). Ostransky's father, a saloon owner during prohibition known to the neighborhood as "Sharkey", had greater aspirations of success for his son Leroy as a violinist.
The James Lawrence Kernan Hospital was built between 1860 and 1867 as Radnor Park, a two-story, five-bay, Victorian mansion. In the first decades of the 20th century, alterations were carried out to the original house which made the house over into a combination of the Greek Revival and Colonial Revival styles.
[3] [2] Dr. Elliot Weitzman, who both worked with and mentored Czeisler, influenced Czeisler to study sleep. [3] [2] Today, Czeisler is the Baldino Professor of Sleep Medicine and Director of the Division of Sleep Medicine at Harvard Medical School.
Sleep-related breathing disorders, such as sleep apnea [1] [2] Sleep-related seizure disorders [1] Sleep-related movement disorders, such as periodic limb movement disorder, which is repeated muscle twitching of the feet, legs, or arms during sleep. [2] [1] Sleep studies may be used to diagnose or rule out restless legs syndrome (RLS). However ...
Sleep state misperception (SSM) is a term in the International Classification of Sleep Disorders (ICSD) most commonly used for people who mistakenly perceive their sleep as wakefulness, [1] [2] though it has been proposed that it can be applied to those who severely overestimate their sleep time as well [3] ("positive" sleep state misperception). [4]
NREM Stage 1 (N1 – light sleep, somnolence, drowsy sleep – 5–10% of total sleep in adults): This is a stage of sleep that usually occurs between sleep and wakefulness, and sometimes occurs between periods of deeper sleep and periods of REM. The muscles are active, and the eyes roll slowly, opening and closing moderately.
Scott & White Sleep Disorders Center is a modern center of research into sleep disorders in Temple, Texas. Its laboratory activity focuses on polysomnography . It holds accreditation from the American Academy of Sleep Medicine .