...F. Bes; W. Hofman; J. Schuur; C. Van Boxtel The influence of delta sleep-inducing peptide (DSIP) on sleep was studied in 16 chronic insomniac patients according to a double-blind matched-pairs parallel-groups design. Subjects slept for 5 consecutive nights in the laboratory. Night 1 was used...

...J. Constantinidis; C. Bouras; R. Guntern; C.H. Taban; R. Tissot The authors have developed a method which makes it possible, for the first time, to visualize the delta sleep-inducing peptide in histological preparations and study it under the light and fluorescence microscope. Their research builds...