7Search.ccinsomnia definition nhsclinical definition of insomniamedical definition of insomniawhat is insomnia definitionthe definition of insomniamedical term for insomniainsomnia what is itdefinition of insomnia disorderinsomnia definition in simple termsmeaning of insomnia in englishthe meaning of insomniawhat is meant by insomniawhat is considered insomnia