Losing sleep because of their age and the change of fears that hormone inside the bodyIn humans the conscious sleep-cycle will change with age, there are 3 main stages of the sleep-wake cycle: infant, when adult and elderly. When old cab driver, the aging process occur strong cause physical changes make time for sleep decreases visibly, you usually sleep late and get up early, even tossed insomnia (difficulty sleeping) at night, although the day you sleep little or no sleep. For middle age women, the hormonal decline is also the typical causes causes of insomnia
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