Clinical Practice Guideline on Management of Sleep Disorders in the Elderly

Autor: Samir Kumar Praharaj, Ravi Gupta, Navendu Gaur
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Indian Journal of Psychiatry
ISSN: 1998-3794
0019-5545
Popis: Sleep disorders are common in the elderly. It is estimated that 40-70% of elderly experience chronic sleep problems. Higher rates of sleep problems are observed in those elderly with medical and psychiatric comorbidity. The comorbid disorders have additive effects on sleep disturbances, i.e. higher the number of comorbidities, higher the rates of sleep problems. Elderly subjects have initial insomnia, wake up earlier than usual, have higher time spent in bed, have nighttime awakenings, nap more, and have decreased total sleep as compared to younger adults. With increasing age lighter stages of sleep becomes more, whereas, REM and slow-wave sleep reduce; up to 6 years of age there is 2% decrease in slow-wave sleep every decade. Slow-wave sleep does not change much from 60 to 90 years of age. However, sleep efficiency, i.e. the duration of sleep relative to total time in bed, continue to decrease over time. Sleep in the elderly is fragmented, lighter and is characterized by episodes of arousals and awakenings. Certain changes in circadian physiology occur with age. They include sleeping before the desirable sleep and wake times, earlier clock hour of internal circadian time, alteration in the relationship between the internal circadian time and sleep, reduction in circadian amplitude, and reduced sensitivity to low to moderate light levels. Among the elderly, core body temperature, and cortisol and melatonin rhythms occur at an earlier time. The changes in sleep that occur with age are summarized in Table 1. However, these changes are not the common sleep complaints of the elderly population. Table 1 Sleep changes in the elderly
Databáze: OpenAIRE