Truck Driving School Costs. The average length of PTDI-certified courses is four to six weeks, though courses may be as short as two weeks or as long as 12 weeks or more. The average cost of PTDI-certified courses is about $4,200, though the cost of truck driving school may be as low as $1,500 and as high as $10,000.
Orthopnea is the opposite of platypnea, shortness of breath that worsens when sitting or standing up.
Sleep Apnea. Considered a sleep disorder, apnea literally means without breath.. In sleep apnea, the patient involuntarily stops breathing over and over during the night. Sleep apnea as a disorder can include episodes of a similar condition called hypopnea or slow breathing.. Hypopnea means the patient takes very shallow breaths or breathes at an abnormally slow rate.