InsomniatellsthestoryofsuccessfulcareerwomanEmma嗄verill,whofearssheislosinghermindaftersufferingfromsleepdeprivationtwoweeksbeforeturning④0.Hermotherhadasimilarexperienceatthesameage,sufferingaviolentpsychoticbreakdownonthenightofher④0thbirthday.Butevenassherelivestheexperienceofhermother,嗄verillbelievesotherforcesmaybeatwork.Hermotherishospitalizedwithasuddeninjury,herestrangedsisterreturnswithoutwarning,andshefeelsasifsheisbeingwatched.Onlybyinvestigatingthetruthofherpainfulpast,canshefindtheanswerstoherpresent.
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