평소에 아무리 바쁘고 피곤해도 밤이 되면 잠을 이루지 못하는 불면증을 호소하는 사람들이 꽤나 많다. 몸은 피곤하지만 정신은 각성 되어 있어서 쉽게 잠들지 못한다.
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참고 및 이미지 출처_<대화의 희열3>, KBS
https://vod.kbs.co.kr/index.html?source=episode&sname=vod&stype=vod&program_code=T2021-0229&program_id=PS-2021063652-01-000&broadcast_complete_yn=N&local_station_code=00§ion_code=04§ion_sub_code=02