Why is airplane cabin air so dry?
At cruising altitude, outside air is almost devoid of moisture. When this air is brought into the pressurized cabin, humidity levels plummet, especially in first and business class. The result is a rapid loss of moisture from your body through both the skin and respiratory system, leading to dehydration and increased fatigue.
How dry air dehydrates your body and brain
Low cabin humidity accelerates water loss, which can cause:
Dry mouth and throat, making swallowing uncomfortable
Dry, itchy skin and scratchy eyes
Headaches and dizziness
Reduced cognitive function, making it harder to concentrate and increasing mental fatigue
Even mild dehydration can impair brain performance and make you feel more tired than usual.
The negative effects of dry cabin air on sleep
Dehydration from dry air disrupts your body’s ability to regulate temperature and maintain comfort, leading to:
Difficulty falling and staying asleep
Frequent awakenings and less restorative sleep
Respiratory irritation, coughing, and dry airways
Increased snoring and sleep apnea, especially for those already prone to these conditions
Dry air also worsens jet lag by making it harder for your body to adjust to new time zones and recover from travel fatigue.
The solution: Humidifier Onboard for better rest
CTT Systems’ Humidifier Onboard helps maintain optimal humidity levels in the aircraft cabin, reducing dehydration and its negative effects. With improved air moisture, you’ll experience:
Less dry mouth, skin, and eyes
Fewer headaches and less fatigue
Better, more restful sleep
Easier adjustment to new time zones and reduced jet lag symptoms
Travel comfortably and sleep better
Dry cabin air is a major factor behind travel fatigue and poor sleep. By choosing flights equipped with Humidifier Onboard, you can enjoy a healthier, more comfortable journey and arrive at your destination feeling truly refreshed.
Welcome onboard an airplane with a Humidifier Onboard
– for a good night’s sleep and a restful flight
What to read next
➔ How low cabin humidity impacts taste, smell, and health
➔ Say goodbye to dry skin with Humidifier Onboard airplane
➔ The importance of humidity for human health
➔ White paper: Importance of aircraft cabin humidity – from a scientific point of view
➔ Our product Humidifier Onboard
➔ Contact us for more information about optimizing humidity in your aircraft
