Pregnancy rhinitis which causes nasal congestion occurs in up to 42 of women by the third trimester of pregnancy without known allergic reaction. They also nap more frequently during the day so sleep efficiency is again reduced. Sleep Apnea Without Cpap Buy Sleep Apnea Machine Battery Powered Tune in for a ton of practical tips to help you grab as much. Pregnancy sleep apnea third trimester . People with sleep apnea rarely remember these episodes in the morning although they may wonder why they feel so tired all the time. With the frequency of urination inability to get comfortable and exhaustion from trying to keep up with the demands of their normal schedules some women find themselves struggling to stay awake. Snoring and obstructive sleep apnea often develop or worsen during pregnancy especially during the second and third trimester. It s estimated that sleep apnea affects 10 percent of pregnant women and this disruption of breathing during sleep can have serious conse...