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What Do Barchan and Parabolic Dunes Have in Common

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What do barchan and parabolic dunes have in common?


Definitions:

Excessive Sleepiness

A condition where an individual experiences significant and persistent drowsiness despite adequate or even prolonged night-time sleep.

Circadian Rhythms

Biological processes that follow an approximately 24-hour cycle, affecting sleep, behavior, and physiological processes in living organisms.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wake cycles, often used as a supplement to treat sleep disorders.

Delayed Sleep Phase Type

A condition where an individual's sleep is delayed by two or more hours beyond the conventional bedtime, leading to difficulty in waking up at a desired time.

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