Abstract：
:The aim of this study was to investigate the effects of 8 weeks of moderate restriction of time in bed (TIB) on glucose tolerance and insulin sensitivity in healthy older self-reported long sleepers. Forty-two older adults (ages 50-70 years) who reported average sleep durations of >or=8.5 h per night were assessed. Following a 2-week baseline, participants were randomly assigned to two 8-week treatments: either (i) TIB restriction (n = 22), which involved following a fixed sleep schedule in which time in bed was reduced by 90 min compared with baseline; (ii) a control (n = 18), which involved following a fixed sleep schedule but no imposed change of TIB. Sleep was monitored continuously via wrist actigraphy recordings, supplemented with a daily diary. Glucose tolerance and insulin sensitivity were assessed before and following the treatments. Compared with the control treatment, TIB restriction resulted in a significantly greater reduction of nocturnal TIB (1.39 +/- 0.40 h versus 0.14 +/- 0.26 h), nocturnal total sleep time (TST) (1.03 +/- 0.53 h versus 0.40 +/- 0.42 h), and 24-h TST (1.03 +/- 0.53 h versus 0.33 +/- 0.43 h) from baseline values. However, no significant effect of TIB restriction was found for glucose tolerance or insulin sensitivity. These results suggest that healthy older long sleepers can tolerate 8 weeks of moderate TIB restriction without impairments in glucose tolerance or insulin sensitivity.
journal_name
J Sleep Resjournal_title
Journal of sleep researchauthors
Zielinski MR,Kline CE,Kripke DF,Bogan RK,Youngstedt SDdoi
10.1111/j.1365-2869.2008.00673.xsubject
Has Abstractpub_date
2008-12-01 00:00:00pages
412-9issue
4eissn
0962-1105issn
1365-2869pii
JSR673journal_volume
17pub_type
杂志文章,随机对照试验abstract：:Forgetfulness is a common complaint of pregnant women, who also often report impaired nocturnal sleep. Considering sleep's well-known beneficial role in consolidating newly encoded memory content, we hypothesized that pregnant women would display detrimental changes in objective sleep measures and associated memory de...
journal_title：Journal of sleep research
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journal_title：Journal of sleep research
pub_type： 杂志文章
doi：10.1111/j.1365-2869.1994.tb00136.x
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journal_title：Journal of sleep research
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journal_title：Journal of sleep research
pub_type： 杂志文章
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journal_title：Journal of sleep research
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journal_title：Journal of sleep research
pub_type： 临床试验,杂志文章,随机对照试验
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更新日期：1998-06-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
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更新日期：2006-12-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
doi：10.1046/j.1365-2869.1999.00170.x
更新日期：1999-12-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
doi：10.1046/j.1365-2869.1996.00015.x
更新日期：1996-06-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
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更新日期：2011-12-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
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更新日期：2012-12-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
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journal_title：Journal of sleep research
pub_type： 杂志文章
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更新日期：2002-09-01 00:00:00
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pub_type： 杂志文章
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更新日期：2012-06-01 00:00:00
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journal_title：Journal of sleep research
pub_type： 杂志文章
doi：10.1111/j.1365-2869.1995.tb00183.x
更新日期：1995-06-01 00:00:00
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journal_title：Journal of sleep research
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