A–A significant low level of average GH level on S3 + 4 sleep stages compared to control.B–A significant low percentage on S3 + 4 sleep stages compared to control. In A + B No gross difference during wakefulness or the different sleep stages in DS patientsC–The average number of peaks is 2.6D–Significantly low in DS compared to controlE–Significantly low in DS compared to controlF–Significantly low in DS compared to controlG–Significantly low in DS compared to control. This evidence concerns the gene GH1 and Dravet syndrome.