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  2. Why Storms Make You Sleepy: The Science Behind Pre-Storm ...

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    Rainy weather can make you sleepy, but the reason behind that feeling is actually pretty scientific. We break down the changes your body goes through before a storm, including how it reacts to ...

  3. What is a siesta? The history of the afternoon nap and its ...

    www.aol.com/lifestyle/siesta-history-afternoon...

    Nothing refreshes me on a hot summer afternoon quite like returning home after lunch, drawing the curtains and lying down for 20 to 30 minutes," adds Matthes, who shares that this practice would ...

  4. Excessive daytime sleepiness - Wikipedia

    en.wikipedia.org/wiki/Excessive_daytime_sleepiness

    EDS can be a symptom of a number of factors and disorders. Specialists in sleep medicine are trained to diagnose them. Some are: Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep ...

  5. Feeling groggy in the afternoon? Here’s how to nap the right way

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    Everything You Must Know About Sleep But are Too Tired to Ask,” said nearly everyone experiences an afternoon lull in their energy. It comes down to the body's circadian rhythm, which includes ...

  6. Hitting the wall - Wikipedia

    en.wikipedia.org/wiki/Hitting_the_wall

    Statue of the "Tired Man" (Megfáradt ember in Hungarian), referring to the poem of Attila József. The statue is the work of József Somogyi . In endurance sports such as road cycling and long-distance running , hitting the wall or the bonk is a condition of sudden fatigue and loss of energy which is caused by the depletion of glycogen stores ...

  7. Springtime lethargy - Wikipedia

    en.wikipedia.org/wiki/Springtime_lethargy

    A man taking a nap in the spring. Springtime lethargy is the state of fatigue, lowered energy, or depression associated with the onset of spring. Such a state may be caused by a normal reaction to warmer temperatures, or it may have a medical basis, such as allergies or reverse seasonal affective disorder. [1]

  8. Always Tired in the Afternoon? Here Are 13 Possible ... - AOL

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  9. Effect of Sun angle on climate - Wikipedia

    en.wikipedia.org/wiki/Effect_of_Sun_angle_on_climate

    For example, with an axial tilt is 23°, and at a latitude of 45°, then the summer's peak sun angle is 68° (giving sin(68°) = 93% insolation at the surface), while winter's least sun angle is 22° (giving sin(22°) = 37% insolation at the surface). Thus, the greater the axial tilt, the stronger the seasons' variations at a given latitude.