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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 ...
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]
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Which time of year you feel your best and worst It wasn’t just time of day or day of the week that influenced mood—the time of year also impacted respondents' well-being, researchers found.
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 ...
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.
Even if you feel like you haven’t slept, you still get benefits, Mednick said. People don’t feel like they are asleep until they have reached deeper, slow-wave sleep in stage three.
Crepuscular rays usually appear orange because the path through the atmosphere at dawn and dusk passes through up to 40 times as much air as rays from a high Sun at noon. Particles in the air scatter short- wavelength light (blue and green) through Rayleigh scattering much more strongly than longer-wavelength yellow and red light.