TABLE 1

Interrelation between symptoms and clinical features associated with obstructive sleep apnoea (OSA) and insomnia

OSABothInsomnia
Snoring
Breathing pauses
Breath holding, gasping, choking
Frequent arousals due to sleep disordered breathing events
Frequent awakenings
Difficulty falling asleep
Unrefreshing sleep
Fatigue
Daytime sleepiness
Attention, concentration and memory impairment
Social and occupational dysfunction
Mood disturbances
Reduced motivation and energy
Accidents
Worry about sleep
Decreased quality of life
Increased arousal
Excessive focus on and high anxiety about sleep
Learned sleep-preventing associations

Reproduced from [11] with permission.