Mikhail Varshavski : (2) " Doctors have a really big fear of looking unprofessional. I’ve always said that if you’re a professional person, you’ll never come off looking unprofessional, whether it’s social media or something else. " - Mikhail Varshavski " When you get a full night’s sleep, which can vary from 7 to 9 hours for different individuals, it’s been proven that all aspects of performance increase. " - Mikhail Varshavski