Examlex
Which type of binary system have pairs of stars that are so close together that they look like one single point?
Jet Lag
A temporary sleep disorder that occurs when a person's internal body clock is out of sync with the time in a new time zone, often experienced after long flights.
East
A cardinal direction; the direction from which the sun rises, opposite of west.
West
A cardinal direction, opposite of east, often associated with sunset or the direction on the left when facing north.
REM Sleep
A phase of sleep characterized by rapid eye movements, increased brain activity, and vivid dreams, playing a crucial role in emotional regulation and memory.
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