Title | Sleep and reported daytime sleepiness in normal subjects: the Sleep Heart Health Study. |
Publication Type | Journal Article |
Year of Publication | 2004 |
Authors | Walsleben, JA, Kapur, VK, Newman, AB, Shahar, E, Bootzin, RR, Rosenberg, CE, O'Connor, G, F Nieto, J |
Journal | Sleep |
Volume | 27 |
Issue | 2 |
Pagination | 293-8 |
Date Published | 2004 Mar 15 |
ISSN | 0161-8105 |
Keywords | Aged, Aged, 80 and over, Cardiovascular Diseases, Circadian Rhythm, Cohort Studies, Disorders of Excessive Somnolence, Female, Health Status, Humans, Male, Middle Aged, Polysomnography, Sleep, Sleep Stages, Surveys and Questionnaires |
Abstract | <p><b>STUDY OBJECTIVES: </b>To describe the distribution of nocturnal sleep characteristics and reports of daytime sleepiness in a large well-defined group of healthy adults.</p><p><b>DESIGN: </b>The Sleep Heart Health Study is a multicenter study examining sleep and cardiopulmonary parameters through nocturnal polysomnography in adults enrolled in geographically distinct cardiovascular cohorts.</p><p><b>SETTING: </b>Community setting.</p><p><b>PARTICIPANTS: </b>470 subjects enrolled in the Sleep Heart Health Study (n = 6440) were selected as a 'normative' group based on screening of health conditions and daily habits that could interfere with sleep.</p><p><b>MEASUREMENTS AND RESULTS: </b>Home-based nocturnal polysomnography was obtained on all participants and centrally scored for sleep and respiratory parameters. Demographic and health-related data were obtained and updated at the time of the home visit. Sleep efficiency decreased by 1.6% for each 10 years of increased age. Sleep time decreased by 0.1 hours (6.0 minutes) for each 10-year age increase and was longer in women. The arousal index increased by 0.8 for each 10-year increase in age and was lower by 1.4 in women. Women had a lower mean percentage of stage 1 and stage 2 sleep. Mean percentage of slow-wave sleep was higher in women (by 6.7%). Percentage of slow-wave sleep decreased with increased age for men only (by 1.9% for each 10-year age change).</p><p><b>CONCLUSIONS: </b>Data suggest a clear lessening in the quantity and quality of sleep with age that appears to be more rapid in males compared to females.</p> |
DOI | 10.1093/sleep/27.2.293 |
Alternate Journal | Sleep |
PubMed ID | 15124725 |
Grant List | U01HL153934 / HL / NHLBI NIH HHS / United States U01HL53916 / HL / NHLBI NIH HHS / United States U01HL53931 / HL / NHLBI NIH HHS / United States U01HL53937 / HL / NHLBI NIH HHS / United States U01HL53938 / HL / NHLBI NIH HHS / United States U01HL53940 / HL / NHLBI NIH HHS / United States U01HL53941 / HL / NHLBI NIH HHS / United States U01HL63429 / HL / NHLBI NIH HHS / United States |