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  2. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    Insomnia can be grouped into primary and secondary, or comorbid, insomnia. [124] [125] [126] Primary insomnia is a sleep disorder not attributable to a medical, psychiatric, or environmental cause. [127] There are three main types of primary insomnia.

  3. Here's Why Getting a Good Night's Sleep Is Harder as You Get ...

    www.aol.com/finance/why-insomnia-common-among...

    For many over 65, a night of undisturbed sleep is not an option. The causes are varied, including menopause and sleep apnea. See what might keep you up.

  4. Sleep and metabolism - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_Metabolism

    In a study with 3000 patients, it was found that men and women who sleep less than 5 hours have elevated body mass index (BMI). In another study that followed about 70.000 women for 16 years, there was a significant increase in body weight in those who slept 5 hours or less compared to those who slept 7–8 hours. [1] [2] [8]

  5. Sleep - Wikipedia

    en.wikipedia.org/wiki/Sleep

    Insomnia is the most common sleep problem, with many adults reporting occasional insomnia, and 10–15% reporting a chronic condition. [117] Insomnia can have many different causes, including psychological stress , a poor sleep environment, an inconsistent sleep schedule, or excessive mental or physical stimulation in the hours before bedtime.

  6. Insomnia - Wikipedia

    en.wikipedia.org/wiki/Insomnia

    Insomnia can occur independently or as a result of another problem. [2] Conditions that can result in insomnia include psychological stress, chronic pain, heart failure, hyperthyroidism, heartburn, restless leg syndrome, menopause, certain medications, and drugs such as caffeine, nicotine, and alcohol.

  7. Neuroscience of sleep - Wikipedia

    en.wikipedia.org/wiki/Neuroscience_of_sleep

    Experiments indicated that, in healthy children and adults, episodes of fragmented sleep or insomnia increased sympathetic activation, which can disrupt mood and cognition. The long term consequences include metabolic issues such as glucose homeostasis disruption and even tumor formation and increased risks of cancer.

  8. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    Insomnia disorder (primary insomnia), chronic difficulty in falling asleep or maintaining sleep when no other cause is found for these symptoms. Insomnia can also be comorbid with or secondary to other disorders. Kleine–Levin syndrome, a rare disorder characterized by persistent episodic hypersomnia and cognitive or mood changes. [84]

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