You may be less physically or socially active. Activity helps promote a good night's sleep. You may also have more free time and, because of that, drink more caffeine or alcohol or take a daily nap. These factors can also interfere with sleep at night. A change in health.
Chronic pain associated with conditions such as arthritis or back problems can interfere with sleep.
Depression, anxiety and ongoing stress also can contribute to insomnia. And in women, hot flashes associated with menopause can be equally disruptive. Medications are another common cause of insomnia. Prescription drugs, including some antidepressant, high blood pressure and steroid medications, can interfere with sleep. And antihistamines can worsen urinary problems.