Sleep patterns change with age, anxiety levels and many other factors. Normally, younger people have more concentrated periods of deep sleep and older people have more periods of REM sleep./Categories/sleep_management.xml/Categories/insomnia.xml/Categories/mental_health_and_addiction.xmlSleep patterns in the young and agedsleep-patterns-in-the-young-and-aged327.42,327.24,347.0,307.40,327.53,327.3,780.57,327.36,780.56,307.45,8692Encyclopedia2

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