#44: Sleep Apnea
Sleep apnea is no joke. Left untreated, sleep apnea can cause harmful long-term diseases like heart failure and stroke. It’s serious! The thing is, most people don’t even know that they have it. Sleep apnea involves disrupted sleep that you might not even notice over the course of a night.

provided by constative.com
A lot of people will feel exhausted all the time after what they think is a full night’s sleep. When they go to the doctor, they find out they have sleep apnea. This person thought being exhausted was just a modern-day experience for everyone. She finally did a sleep study and started a CPAP, which has improved her sleep by leaps and bounds.