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dc.contributor.author
Almeneessier,Aljohara S
dc.contributor.author
Bahammam, Ahmed S
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Sharif, Munir M
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Bahammam, Salman A
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Nashwan, Samar Z
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Pandi Perumal, Seithikurippu R
dc.contributor.author
Cardinali, Daniel Pedro
dc.contributor.author
Alzoghaibi, Mohammad
dc.date.available
2018-06-15T17:30:06Z
dc.date.issued
2017-02
dc.identifier.citation
Almeneessier,Aljohara S; Bahammam, Ahmed S; Sharif, Munir M; Bahammam, Salman A; Nashwan, Samar Z; et al.; The influence of intermittent fasting on the circadian pattern of melatonin while controlling for caloric intake, energy expenditure, light exposure, and sleep schedules: a preliminary report; Medknow Publications; Annals Of Thoracic Medicine; 12; 2-2017; 183-190
dc.identifier.issn
1817-1737
dc.identifier.uri
http://hdl.handle.net/11336/48808
dc.description.abstract
AIMS: We hypothesized that if we control for food composition, caloric intake, light exposure, sleep schedule, and exercise, intermittent fasting would not influence the circadian pattern of melatonin. Therefore, we designed this study to assess the effect of intermittent fasting on the circadian pattern of melatonin. METHODS: Eight healthy volunteers with a mean age of 26.6 ± 4.9 years and body mass index of 23.7 ± 3.5 kg/m2 reported to the Sleep Disorders Center (the laboratory) on four occasions: (1) adaptation, (2) 4 weeks before Ramadan while performing Islamic intermittent fasting for 1 week (fasting outside Ramadan [FOR]), (3) 1 week before Ramadan (nonfasting baseline [BL]), and (4) during the 2nd week of Ramadan while fasting (Ramadan). The plasma levels of melatonin were measured using enzyme‑linked immunoassays at 22:00, 02:00, 04:00, 06:00, and 11:00 h. The light exposure, meal composition, energy expenditure, and sleep schedules remained the same while the participants stayed at the laboratory. RESULTS: The melatonin levels followed the same circadian pattern during the three monitoring periods (BL, FOR, and Ramadan). The peak melatonin level was at 02:00 h and the trough level was at 11:00 h in all studied periods. Lower melatonin levels at 22:00 h were found during fasting compared to BL. Cosinor analysis revealed no significant changes in the acrophase of melatonin levels. CONCLUSIONS: In this preliminary report, under controlled conditions of light exposure, meal composition, energy expenditure, and sleep‑wake schedules, intermittent fasting has no significant influence on the circadian pattern of melatonin.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Medknow Publications
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Circadian Rhythm
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Ramadan
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Fasting
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Light Exposure
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Meals
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Sleep
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Inmunología
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Medicina Básica
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CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
The influence of intermittent fasting on the circadian pattern of melatonin while controlling for caloric intake, energy expenditure, light exposure, and sleep schedules: a preliminary report
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-07T14:26:03Z
dc.identifier.eissn
1998-3557
dc.journal.volume
12
dc.journal.pagination
183-190
dc.journal.pais
India
dc.journal.ciudad
Nueva Dehli
dc.description.fil
Fil: Almeneessier,Aljohara S. King Saud University; Arabia Saudita
dc.description.fil
Fil: Bahammam, Ahmed S. King Saud University; Arabia Saudita
dc.description.fil
Fil: Sharif, Munir M. King Saud University; Arabia Saudita
dc.description.fil
Fil: Bahammam, Salman A. King Saud University; Arabia Saudita
dc.description.fil
Fil: Nashwan, Samar Z. King Saud University; Arabia Saudita
dc.description.fil
Fil: Pandi Perumal, Seithikurippu R. King Saud University; Arabia Saudita
dc.description.fil
Fil: Cardinali, Daniel Pedro. Pontificia Universidad Católica Argentina ; Argentina
dc.description.fil
Fil: Alzoghaibi, Mohammad. King Saud University; Arabia Saudita
dc.journal.title
Annals Of Thoracic Medicine
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.4103/atm.ATM_15_17
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.thoracicmedicine.org/article.asp?issn=1817-1737;year=2017;volume=12;issue=3;spage=183;epage=190;aulast=Almeneessier
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