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  2. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    A lack of sleep can cause an imbalance in several hormones that are critical for weight gain. Sleep deprivation increases the level of ghrelin (hunger hormone) and decreases the level of leptin (fullness hormone), resulting in an increased feeling of hunger and a desire for high-calorie foods.

  3. Psychological stress and sleep - Wikipedia

    en.wikipedia.org/wiki/Psychological_stress_and_Sleep

    When lack of sleep and excessive stress combine, the impacts of fatigue and headaches greatly increase. Although these impacts are both short-term, they can last for days, weeks, or even months if the stress continues to overwhelm a person and cause them to struggle to fall and stay asleep.

  4. Effects of sleep deprivation on cognitive performance

    en.wikipedia.org/wiki/Effects_of_sleep...

    Additionally, lack of sleep causes increased anxiety-like behaviors and impairs the brain's ability to block out unimportant stimuli when performing tasks requiring attention. Disruptions in important brain circuits and the downregulation of proteins necessary for cognitive stability are the causes of these behavioral abnormalities. [30]

  5. Why Am I Waking Up with Headaches? A Sleep Expert Helps ... - AOL

    www.aol.com/why-am-waking-headaches-sleep...

    You slept eight luxurious hours last night (or, you know, at least six). But as soon as you sat up in bed this morning, you noticed it. The throbbing temples. The pounding at the base of your skull.

  6. Can Stress Actually Cause Female Hair Loss? - AOL

    www.aol.com/stress-actually-cause-female-hair...

    In the first few months following childbirth, you may notice some significant hair shedding — whether due to hormonal shifts or the underlying stress and lack of sleep that comes with caring for ...

  7. Sleep apnea: causes, symptoms, treatments, and how it ... - AOL

    www.aol.com/lifestyle/sleep-apnea-causes...

    Sleep apnea is a serious medical condition that causes interruptions in your sleep leading to a wide range of symptoms. Learn more about the condition and how to get diagnosed.

  8. Headache - Wikipedia

    en.wikipedia.org/wiki/Headache

    The most well-recognized is that of the International Headache Society, which classifies it into more than 150 types of primary and secondary headaches. Causes of headaches may include dehydration; fatigue; sleep deprivation; stress; [4] the effects of medications (overuse) and recreational drugs, including withdrawal; viral infections; loud ...

  9. Insomnia - Wikipedia

    en.wikipedia.org/wiki/Insomnia

    However, alcohol use to induce sleep can be a cause of insomnia. Long-term use of alcohol is associated with a decrease in NREM stage 3 and 4 sleep as well as suppression of REM sleep and REM sleep fragmentation. Frequent moving between sleep stages occurs with awakenings due to headaches, the need to urinate, dehydration, and excessive sweating.

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