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. Author manuscript; available in PMC: 2017 Apr 23.
Published in final edited form as: Brain Behav Immun. 2015 Jan 29;47:24–34. doi: 10.1016/j.bbi.2015.01.004

Fig. 4. Individual participant cortisol rhythm plots aligned to scheduled sleep-wakefulness time on baseline Days 5-6 (a & b) and on entrainment protocol Days 26-27 (c & d).

Fig. 4

Scheduled waketime arbitrarily assigned a value of 0800h (relative clock hour). Box represents scheduled sleep.