Molecules will try to adopt the most stable conformation that minimizes strain. For cyclohexane, C 6 H 12, this would be the chair conformation. Letâs see why. If cyclohexane was planar, its structure would look like the picture to the left.
CPAP mask â There are many types of C-PAP masks. There are masks that just cover the nose (nasal cpap mask), and masks that cover just the mouth (oral masks), and of course, nasal-oral masks. There are also masks that are attached to oral appliance mouth devices.
Sleep apnea pillows that you can use without a CPAP machine position your neck so your airway is more likely to stay open. Ones you use with the machine are meant to make you more comfortable when you wear your CPAP mask. Some have features that reduce pressure from the mask or keep it from rotating out of place.