What is another word for can do something in your sleep?
Pronunciation: [kan dˈuː sˈʌmθɪŋ ɪn jɔː slˈiːp] (IPA) 
When a person is able to do something without much effort or conscious thought, it is often said that they can do it in their sleep. However, there are many other phrases that convey this same meaning. Some synonyms for "can do something in your sleep" are "second nature," "effortless," "like a pro," "expertly," "without hesitation," and "with ease." These phrases all suggest that the person in question has mastered a skill or activity to such an extent that it requires little or no effort to perform. Whether it's playing an instrument or solving complex equations, these phrases capture the idea of someone who is highly skilled and proficient in their chosen area of expertise.
