Even if five hours feels like a full night's sleep, the lack of Zs might spell trouble for your health. In a study of about 6,500 adults, researchers discovered that women who slept five hours or less nightly were twice as likely to have high blood pressure as women who snoozed for seven hours or more.
To set yourself up for healthier sleep, designate regular sleep and wake times for yourself, exercise daily (preferably in the late afternoon), and avoid caffeine after noon, says Donna Arand, Ph.D., clinical director of the Sleep Disorders Center at Kettering Medical Center in Dayton, Ohio. If insomnia is a problem, try relaxation techniques, guided imagery, and deep breathing.
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