Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
According to psychiatrist Alexander Obolsky, MD, some people ‘get anxious because they think they’re not sleeping enough’, likening it to a form of performance anxiety which Harvard Professor Daniel M Wegner calls ‘the ironic process of mental control.’