Insomnia, sleep apnea or stress concept. Sleepless woman awake a Published April 20, 2022 at 2120 × 1414 in Warning Signs for Your Health You Need to Watch Out For Insomnia, sleep apnea or stress concept. Sleepless woman awake and covering face in the middle of the night. Lady can’t sleep. Nightmares or depression. Suffering from headache or migraine.