DEAR DR. ROACH: I am a reasonably healthy 76-year-old woman. I eat a healthy diet, avoid processed sugar, and work out usually twice a week, plus one day with a personal trainer. I am a breast cancer survivor. I drink 5 ounces of wine with dinner on weeknights and slightly more on the weekends. I am in bed around 11:30 p.m. every night and asleep easily by midnight without any sleep aids other than magnesium glycinate.

I generally sleep 7 hours with a few trips to the bathroom but always get back to sleep right away. I often wake up on my own around 7 a.m. and feel perfectly rested without a particular desire to get up. So, I use the bathroom and go back to bed to get the 8th hour of sleep I supposedly am entitled to.

When I do sleep for 8 hours, it is difficult and uncomfortable to get

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