Immediately after an episode of DTs, light sleep predominates and REM sleep decreases, as indicated by significantly decreased SWS% and REM% and increased percentages of stages 1 and 2 sleep, compared with control subjects (Kotorii et al.
KOTORII, T.; NAKAZAWA, Y.; YOKOYAMA, T.; ET AL Terminal sleep following delirium tremens in chronic alcoholics--Polysomnographic and behavioral study.