'Sleep apnea, in which this stops briefly during the night, can cause daytime sleepiness'
Breathing
SLEEP: Sleep apnea, in which this stops briefly during the night, can cause daytime sleepiness
Sleep apnea, in which this stops briefly during the night, can cause daytime sleepiness
Sleep apnea, in which this stops briefly during the night, can cause daytime sleepiness
SLEEP
Breathing
SLEEP