Sleep apnea and panic attacks
A survey of 301 sleep apnea patients demonstrated that obstructive sleep apnea may cause nocturnal panic attack symptoms. Sleep apnea should be considered in the differential diagnosis of nocturnal panic disorder
Edlund, M., McNamara, M. E., & Millman, R. P. (1991). Sleep apnea and panic attacks. Comprehensive Psychiatry, 32(2), 130-132.