Lastly it must be admitted that all living creatures are exposed to environmental influences and in our case very high altitudes (over 5000 meter) is one such case just like very high desert temperatures that makes everybody sleepy most of the day.
(very high altitudes (over 5000 meter; is; one such case just like very high desert temperatures) (very high desert temperatures; makes; everybody sleepy most of the day)
very high altitudes (over 5000 meter very high desert temperatures
is makes
one such case just like very high desert temperatures
everybody sleepy most of the day