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Co-sleeping with pet dogs — but not cats — linked to poorer sleep in studyA survey-based study finds that people who sleep in the same room as their dogs show worse sleep quality. Cats weren't linked to the same effect.
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The case against daylight saving, from a neurologist and sleep expertWhile that "extra" hour of sunlight in the evenings can be exhilarating, it comes with significant health trade-offs.
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'Rare' disorder that causes extreme sleepiness may be more common than thoughtA new study suggests that a sleep disorder called idiopathic hypersomnia may not be as rare as previously thought.
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Kids' use of melatonin 'exceedingly common,' Colorado study findsResearchers have raised concerns about the high number of kids and preteens consistently taking melatonin, because the long-term safety of the sleep aid has not been well-studied.
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Night owl or early bird? How your 'chronotype' influences cognitionYour brain has an internal clock that influences how your mind functions over the course of a day.
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'Power naps' improve memory and lower heart disease risk, but long naps can have drawbacksShort naps at the right time of day can boost focus, help solidify memories and potentially improve heart health.
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Can the menstrual cycle affect people's sleep and dreams?Reproductive hormones may interfere with sleep quality and affect dreaming at different stages of the menstrual cycle.
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Irregular sleep may increase your risk of dying from cancer and heart diseaseWaking and sleeping at inconsistent times may increase the risk of dying from cancer or heart disease death in middle-age and older adults.
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How long can you go without sleep?And what can happen to your body if you stay awake way past your bedtime?
