If you're honestly worried about something important and yes, sleep is important, do yourself a favor and see a doctor and get tests done. Knowledge is power.
You can get an at-home sleep study and your doc can prescribe it. Insurance will usually cover it since it is way cheaper than a sleep lab. Here's a site:
NovaSom | Home Sleep Testing for Sleep Apnea
Also I have been struggling with poor sleep and a likelihood of increased apnea. Turns out I was diagnosed with low testosterone. One of the symptoms of secondary hypogonadism is poor sleep patterns and increasing apnea. If you are sleeping through the night and waking up groggy, and have low-energy NEED NAP NOW kind of feelings every afternoon, you need to go get checked.