High altitudes do cause drowsiness because there is less oxygen in the air, so you can't breathe normally.
The high altitudes cause it to be colder.
Polar jet streams
Yes, just like any other opiate it can cause drowsiness in some people.
In general, drowsiness is feeling the need to sleep. Or many of these are known to cause fatigue and daytime drowsiness.
Ultram can cause drowsiness.
no, but they do cause pimples
just high altitudes
sometimes
Yes.
It is possible that birth control can cause drowsiness. If this is a persistent issue it is best to consult a health care provider.
No, being at higher altitudes does not cause you to age faster.
Yes