Hyyppä, Markku T.; Kronholm, Erkki; Alanen, Erkki - In: Social Science & Medicine 45 (1997) 5, pp. 731-738
various sleep symptoms including insomnia, daytime tiredness, fatigue, parasomnias and the use of hypnotics remained similar … prevalences over eight years of insomnia and snoring show fair chronicity, whereas daytime tiredness and fatigue seem to be less … recession were studied separately. Prospectively unemployed persons suffered more from insomnia and used more hypnotics than the …