Fig. 2 | Nature Communications

Fig. 2

From: Auditory closed-loop stimulation of EEG slow oscillations strengthens sleep and signs of its immune-supportive function

Fig. 2

Impact of auditory SO stimulation on cortisol, aldosterone, and prolactin levels. Means (±s.e.m.) of cortisol (a, b), aldosterone (c), and prolactin (d) levels calculated for 1-h bins. Gray area represents the 120-min stimulation period. *p < 0.05, # p < 0.1 for pairwise comparisons between the Stimulation condition (STIM, black) and the Sham condition (SHAM, white) with Wilcoxon tests, two-sided. n = 10–14 (see “Methods” section for exact numbers)

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