Can lucid dreaming detract from the recuperative effect of REM sleep? Imagine you mastered lucid dreaming, so you have a lucid dream every night.
You might want to use this phase to do creative work or problem solving. 

Would this have a negative influence on the recuperative effect of sleep?
Lucid dreaming is a half-way state between normal REM sleep and wakefulness. Lucid dreaming probably has less of a recuperative effect than normal REM sleep. On the other hand, there is usually less sleep inertia when waking from a lucid dream than when waking from a non-lucid dream.

The function of REM sleep is still a mystery, so very little is known about how lucid dreaming affects sleep quality. 

However, going in the other direction, it is known that sleep quality affects the likelihood of lucid dreaming. More specifically, REM rebound following sleep deprivation, going back to sleep after a morning awakening and being sufficiently sleep deprived to take naps before noon are all common triggers for lucid dreams. 

In my experience, I have never had a lucid dream after eight hours of unbroken sleep but if I wake up early in the morning and go back to sleep or if I take a daytime nap then I will quite often get a lucid dream, especially if I have consumed caffeine prior to falling asleep.


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