Yes, dreams are necessary. The R.E.M. sleep, which is the dreaming aspect of sleep, is needed to promote creativity within an individual, allow for a deeper sleep, and put together all of the experiences one may have had throughout any given day. Without dreaming, the formulation of ideas and experiences does not take place.
No, you can go to sleep but there are no dreams
Hypnos is the god of sleep and Morpheus is the god of dreams.
REM (Random Eye Movement).
Very recent research suggests that dreams that occur during REM sleep tend to be more agitated and troubled than dreams that occur during non-REM sleep. More research is being done to better understand the difference.
California dreams tour, it was to promote her teenage dreams album.
The dreams that we remember tend to only occur during REM sleep. However, new research is showing us that dreams can actually happen in NREM sleep. Research is still being done to determine exactly what kind of dreams when have in the different stages of sleep.
in your bed with you, and in your dreams
It is caused by the dreams during sleep
Just sleep. You have dreams every night, whether you remember them or not.
No, because wet dreams are when you ejaculate in your sleep.
A dreamless sleep is not truly empty of dreams; you simply did not remember the dreams. This only means that you had a deep, undisturbed sleep, nothing more.