In addition to respiratory problems, blood clots pose a serious risk for COVID-19 patients. Blood clots can cause heart attacks or strokes in patients, strange forms of skin rash on the skin, or even wounds that look like chilblains on the fingers and toes.

Maybe it’s the drugs?
Some medications can cause drowsiness or even fatigue, precisely because they can promote sleep apnea. In particular are some drugs that relax muscles, muscle relaxants, some sedatives, and some antidepressants.