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  2. Respiratory disturbance index - Wikipedia

    en.wikipedia.org/wiki/Respiratory_disturbance_index

    The respiratory disturbance index (RDI)—or respiratory distress Index—is a formula used in reporting polysomnography (sleep study) findings. Like the apnea-hypopnea index (AHI), it reports on respiratory distress events during sleep, but unlike the AHI, it also includes respiratory-effort related arousals (RERAs). [1]

  3. Sleep and metabolism - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_Metabolism

    Sleep plays a vital role in regulating metabolism and appetite. When sleep deprived, the metabolic system will be out of balance, which will ultimately affect the dietary choices people make. Teens who are sleep deprived crave more carbohydrates. Sleep deprivation is a risk factor for obesity among young adults. [7] [medical citation needed]

  4. Insomnia - Wikipedia

    en.wikipedia.org/wiki/Insomnia

    Insomnia, also known as sleeplessness, is a sleep disorder where people have trouble sleeping. [1] [11] They may have difficulty falling asleep, or staying asleep for as long as desired.

  5. Mean squared error - Wikipedia

    en.wikipedia.org/wiki/Mean_squared_error

    To minimize MSE, the model could be more accurate, which would mean the model is closer to actual data. One example of a linear regression using this method is the least squares method—which evaluates appropriateness of linear regression model to model bivariate dataset, [6] but whose limitation is related to known distribution of the data.

  6. Gerontology - Wikipedia

    en.wikipedia.org/wiki/Gerontology

    However, the largest percentage point increase among the oldest-old occurred in the 90- to 94-year-old age group, which increased from 25.0% in 1990 to 26.4% in 2010. [ 18 ] With the rapid growth of the aging population, social work education and training specialized in older adults and practitioners interested in working with older adults are ...

  7. Kingdom Hearts Birth by Sleep - Wikipedia

    en.wikipedia.org/wiki/Kingdom_Hearts_Birth_by_Sleep

    The collection features Kingdom Hearts 0.2: Birth by Sleep -A fragmentary passage-, a new game taking place after the events of the original Birth by Sleep, told from the perspective of Aqua. The collection also features an HD remaster of Kingdom Hearts 3D: Dream Drop Distance as well as Kingdom Hearts χ Back Cover , a cinematic retelling of ...

  8. 8½ - Wikipedia

    en.wikipedia.org/wiki/8½

    8½ (Italian: Otto e mezzo [ˈɔtto e mˈmɛddzo]) is a 1963 comedy drama film co-written and directed by Federico Fellini.The metafictional narrative centers on Guido Anselmi (Marcello Mastroianni), a famous Italian film director who suffers from stifled creativity as he attempts to direct an epic science fiction film.

  9. Old age - Wikipedia

    en.wikipedia.org/wiki/Old_age

    Old age, death, and frailty are closely linked, with approximately half the deaths in old age preceded by months or years of frailty. [124]: 3, 19 Older Adults' Views on Death is based on interviews with 109 people in the 70–90 age range, with a mean age of 80.7. Almost 20% of the people wanted to use whatever treatment that might postpone death.