Symptom Score
sleepiness, Headaches, headache
Symptoms that did not directly affect the mouth-nose region and the breathing comfort were mentioned rather rarely, but headache and sleepiness were reported by some study participants at the end of the 4-h workplace examination. Headaches was a prominent symptom reported by 81% of 158 healthcare workers of high-risk hospital areas while wearing N95 respirators for an average of 6 h per day during the SARS-CoV-2 pandemic