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Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 33, 2016 - Issue 1
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Short Communications

Ad libitum and restricted day and night sleep architecture

, , , , &
Pages 124-127 | Received 15 Sep 2015, Accepted 26 Oct 2015, Published online: 06 Jan 2016
 

ABSTRACT

This study represents a first controlled comparison of restricted versus unrestricted sleep in both day and night sleep categories. A repeated measures study of a homogenous group of young women without sleep disorders (n=14) found that stage 1, 2, 3 and REM sleep, as well as sleep latency were not statistically different between day ad libitum sleep (DAL) and day interrupted (DI) sleep categories, while night interrupted (NI) and ad libitum (NAL) sleep showed strikingly different architecture.

Notes

1 Protocols suggested by Dijk et al (Citation2010) were adopted in this study.

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