This supports the theory that FMS and ME/CFS are different illnesses, and increases knowledge of sleep abnormalities in both conditions.
- ME/CFS-only participants were more likely than healthy people to wake up from REM sleep;
- ME/CFS+FMS participants were more likely than health people to wake from REM, stage-1 and stage-2 sleep;
- ME/CFS+FMS participants were more likely than ME/CFS-only to wake from slow-wave and stage-1 sleep;
- ME/CFS+FMS participants had shorter durations of stage-2 sleep than ME/CFS-only or control groups.
(Read more on the Stages of Sleep.)
Earlier research has also indicated abnormal sleep patterns in FMS and ME/CFS. These new findings shore up that body of research and also help differentiate the illnesses from each other.
Some experts believe that sleep problems play a key role in FMS and ME/CFS, and sleep-related research is important for better understanding, possible treatments and even potential diagnostic tools.
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Photo © Angelo Cavalli