According to WebMD, a new study finds postmenopausal women who report insomnia may be less sexually active.

The study included nearly 94,000 women who were asked about their sleep habits during the previous four weeks. They were also asked about their sexual activity during the past year, and their levels of sexual satisfaction. The women were all between the ages of 50 and 79, the researchers said.

Thirty percent of women had high insomnia levels, the study found. These women were less sexually active than those without sleep problems, the researchers said. The investigators also found that getting less than the recommended seven to eight hours of sleep a night was associated with less sexual activity and sexual satisfaction.

Although the current study found an association between a lack of sleep and sexual activity and satisfaction, it didn’t prove a cause-and-effect relationship.

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