Fig. 2

Outcome of the movement preference protocol regarding frequency of the bed movement (n = 6). A. Habitual movement frequency while making rhythmic movements vs. the preferred bed frequency as determined during the preference protocol. Area indicated in blue shows the frequency range of rhythmic movement disorder (RMD) reported by the American Academy of Sleep Medicine (AASM). Area shaded grey shows the range of frequency provided using the Somnomat. B. Boxplots of comfort (top) and sleepiness (bottom) at the preferred bed frequency and all other frequencies combined